87879134902 has 16 divisors (see below), whose sum is σ = 141964285680. Its totient is φ = 40557976992.

The previous prime is 87879134899. The next prime is 87879134923. The reversal of 87879134902 is 20943197878.

It is a super-2 number, since 2×87879134902² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 808249 + ... + 910507.

It is an arithmetic number, because the mean of its divisors is an integer number (8872767855).

Almost surely, 2^87879134902 is an apocalyptic number.

87879134902 is a deficient number, since it is larger than the sum of its proper divisors (54085150778).

87879134902 is a wasteful number, since it uses less digits than its factorization.

87879134902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135327.

The product of its (nonzero) digits is 6096384, while the sum is 58.

The spelling of 87879134902 in words is "eighty-seven billion, eight hundred seventy-nine million, one hundred thirty-four thousand, nine hundred two".