87512962930 has 16 divisors (see below), whose sum is σ = 157529214360. Its totient is φ = 35003878272.

The previous prime is 87512962891. The next prime is 87512962931. The reversal of 87512962930 is 3926921578.

It can be written as a sum of positive squares in 4 ways, for example, as 83867580801 + 3645382129 = 289599^2 + 60377^2 .

It is not an unprimeable number, because it can be changed into a prime (87512962931) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 145726 + ... + 443014.

Almost surely, 2^87512962930 is an apocalyptic number.

87512962930 is a deficient number, since it is larger than the sum of its proper divisors (70016251430).

87512962930 is a wasteful number, since it uses less digits than its factorization.

87512962930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326733.

The product of its (nonzero) digits is 1632960, while the sum is 52.

The spelling of 87512962930 in words is "eighty-seven billion, five hundred twelve million, nine hundred sixty-two thousand, nine hundred thirty".