87601020 has 192 divisors, whose sum is σ = 291271680. Its totient is φ = 19464192.

The previous prime is 87601013. The next prime is 87601027. The reversal of 87601020 is 2010678.

It is an interprime number because it is at equal distance from previous prime (87601013) and next prime (87601027).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87601027) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 340732 + ... + 340988.

It is an arithmetic number, because the mean of its divisors is an integer number (1517040).

Almost surely, 2^87601020 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 87601020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (145635840).

87601020 is an abundant number, since it is smaller than the sum of its proper divisors (203670660).

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

87601020 is a wasteful number, since it uses less digits than its factorization.

87601020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324 (or 322 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 24.

The square root of 87601020 is about 9359.5416554445. The cubic root of 87601020 is about 444.1227848064.

Adding to 87601020 its reverse (2010678), we get a palindrome (89611698).

The spelling of 87601020 in words is "eighty-seven million, six hundred one thousand, twenty".