87940652104 has 8 divisors (see below), whose sum is σ = 164888722710. Its totient is φ = 43970326048.

The previous prime is 87940652101. The next prime is 87940652123. The reversal of 87940652104 is 40125604978.

It can be written as a sum of positive squares in only one way, i.e., 73442084004 + 14498568100 = 271002^2 + 120410^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (87940652101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5496290749 + ... + 5496290764.

Almost surely, 2^87940652104 is an apocalyptic number.

It is an amenable number.

87940652104 is a deficient number, since it is larger than the sum of its proper divisors (76948070606).

87940652104 is a wasteful number, since it uses less digits than its factorization.

87940652104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10992581519 (or 10992581515 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 46.

The spelling of 87940652104 in words is "eighty-seven billion, nine hundred forty million, six hundred fifty-two thousand, one hundred four".