87975936 has 192 divisors, whose sum is σ = 273873600. Its totient is φ = 27869184.

The previous prime is 87975931. The next prime is 87975941. The reversal of 87975936 is 63957978.

It is an interprime number because it is at equal distance from previous prime (87975931) and next prime (87975941).

It is a tau number, because it is divible by the number of its divisors (192).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87975931) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2045931 + ... + 2045973.

It is an arithmetic number, because the mean of its divisors is an integer number (1426425).

Almost surely, 2^87975936 is an apocalyptic number.

87975936 is a gapful number since it is divisible by the number (86) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 87975936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (136936800).

87975936 is an abundant number, since it is smaller than the sum of its proper divisors (185897664).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

87975936 is a wasteful number, since it uses less digits than its factorization.

87975936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111 (or 85 counting only the distinct ones).

The product of its digits is 2857680, while the sum is 54.

The square root of 87975936 is about 9379.5488164410. The cubic root of 87975936 is about 444.7554705867.

The spelling of 87975936 in words is "eighty-seven million, nine hundred seventy-five thousand, nine hundred thirty-six".