87352529978 has 16 divisors (see below), whose sum is σ = 156257942400. Its totient is φ = 35809111536.

The previous prime is 87352529977. The next prime is 87352529981. The reversal of 87352529978 is 87992525378.

It is not an unprimeable number, because it can be changed into a prime (87352529977) 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 in 7 ways as a sum of consecutive naturals, for example, 135640253 + ... + 135640896.

It is an arithmetic number, because the mean of its divisors is an integer number (9766121400).

Almost surely, 2^87352529978 is an apocalyptic number.

87352529978 is a deficient number, since it is larger than the sum of its proper divisors (68905412422).

87352529978 is a wasteful number, since it uses less digits than its factorization.

87352529978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271281181.

The product of its digits is 76204800, while the sum is 65.

The spelling of 87352529978 in words is "eighty-seven billion, three hundred fifty-two million, five hundred twenty-nine thousand, nine hundred seventy-eight".