87430446165 has 32 divisors (see below), whose sum is σ = 141243632640. Its totient is φ = 46178366976.

The previous prime is 87430446137. The next prime is 87430446223. The reversal of 87430446165 is 56164403478.

It is not a de Polignac number, because 87430446165 - 2⁸ = 87430445909 is a prime.

It is a super-2 number, since 2×87430446165² (a number of 23 digits) 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 31 ways as a sum of consecutive naturals, for example, 3491329 + ... + 3516281.

It is an arithmetic number, because the mean of its divisors is an integer number (4413863520).

Almost surely, 2^87430446165 is an apocalyptic number.

It is an amenable number.

87430446165 is a deficient number, since it is larger than the sum of its proper divisors (53813186475).

87430446165 is a wasteful number, since it uses less digits than its factorization.

87430446165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27213.

The product of its (nonzero) digits is 1935360, while the sum is 48.

The spelling of 87430446165 in words is "eighty-seven billion, four hundred thirty million, four hundred forty-six thousand, one hundred sixty-five".