87976242 has 96 divisors (see below), whose sum is σ = 209454336. Its totient is φ = 26611200.

The previous prime is 87976223. The next prime is 87976243. The reversal of 87976242 is 24267978.

Its product of digits (338688) is a multiple of the sum of its prime factors (216).

It is not an unprimeable number, because it can be changed into a prime (87976243) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1205118 + ... + 1205190.

It is an arithmetic number, because the mean of its divisors is an integer number (2181816).

Almost surely, 2^87976242 is an apocalyptic number.

87976242 is a gapful number since it is divisible by the number (82) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 87976242, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104727168).

87976242 is an abundant number, since it is smaller than the sum of its proper divisors (121478094).

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

87976242 is a wasteful number, since it uses less digits than its factorization.

87976242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216 (or 213 counting only the distinct ones).

The product of its digits is 338688, while the sum is 45.

The square root of 87976242 is about 9379.5651285121. The cubic root of 87976242 is about 444.7559862391.

The spelling of 87976242 in words is "eighty-seven million, nine hundred seventy-six thousand, two hundred forty-two".