87164430 has 32 divisors (see below), whose sum is σ = 216410400. Its totient is φ = 22442112.

The previous prime is 87164369. The next prime is 87164449. The reversal of 87164430 is 3446178.

It is a junction number, because it is equal to n+sod(n) for n = 87164391 and 87164400.

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, 49225 + ... + 50964.

It is an arithmetic number, because the mean of its divisors is an integer number (6762825).

Almost surely, 2^87164430 is an apocalyptic number.

87164430 is an abundant number, since it is smaller than the sum of its proper divisors (129245970).

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

87164430 is a wasteful number, since it uses less digits than its factorization.

87164430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100228.

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 87164430 is about 9336.1892654337. The cubic root of 87164430 is about 443.3837424857.

The spelling of 87164430 in words is "eighty-seven million, one hundred sixty-four thousand, four hundred thirty".