87698620 has 12 divisors (see below), whose sum is σ = 184167144. Its totient is φ = 35079440.

The previous prime is 87698617. The next prime is 87698627. The reversal of 87698620 is 2689678.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87698627) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2192446 + ... + 2192485.

It is an arithmetic number, because the mean of its divisors is an integer number (15347262).

Almost surely, 2^87698620 is an apocalyptic number.

It is an amenable number.

87698620 is an abundant number, since it is smaller than the sum of its proper divisors (96468524).

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

87698620 is a wasteful number, since it uses less digits than its factorization.

87698620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4384940 (or 4384938 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 46.

The square root of 87698620 is about 9364.7541345195. The cubic root of 87698620 is about 444.2876622463.

The spelling of 87698620 in words is "eighty-seven million, six hundred ninety-eight thousand, six hundred twenty".