87069620 has 48 divisors (see below), whose sum is σ = 200866176. Its totient is φ = 31440000.

The previous prime is 87069617. The next prime is 87069659. The reversal of 87069620 is 2696078.

It is a super-2 number, since 2×87069620² = 15162237453888800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31910 + ... + 34530.

It is an arithmetic number, because the mean of its divisors is an integer number (4184712).

Almost surely, 2^87069620 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 87069620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (100433088).

87069620 is an abundant number, since it is smaller than the sum of its proper divisors (113796556).

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

87069620 is a wasteful number, since it uses less digits than its factorization.

87069620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2792 (or 2790 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 87069620 is about 9331.1103305019. The cubic root of 87069620 is about 443.2229258799. Note that the first 3 decimals are identical.

The spelling of 87069620 in words is "eighty-seven million, sixty-nine thousand, six hundred twenty".