87213579435 has 24 divisors (see below), whose sum is σ = 160062570720. Its totient is φ = 43777796352.

The previous prime is 87213579413. The next prime is 87213579493. The reversal of 87213579435 is 53497531278.

87213579435 is a `hidden beast` number, since 8 + 7 + 2 + 135 + 79 + 435 = 666.

It is not a de Polignac number, because 87213579435 - 2⁷ = 87213579307 is a prime.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 57001575 + ... + 57003104.

It is an arithmetic number, because the mean of its divisors is an integer number (6669273780).

Almost surely, 2^87213579435 is an apocalyptic number.

87213579435 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

87213579435 is a deficient number, since it is larger than the sum of its proper divisors (72848991285).

87213579435 is a wasteful number, since it uses less digits than its factorization.

87213579435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114004707 (or 114004704 counting only the distinct ones).

The product of its digits is 6350400, while the sum is 54.

The spelling of 87213579435 in words is "eighty-seven billion, two hundred thirteen million, five hundred seventy-nine thousand, four hundred thirty-five".