87258872859 has 16 divisors (see below), whose sum is σ = 119063991552. Its totient is φ = 56813466528.

The previous prime is 87258872809. The next prime is 87258872891. The reversal of 87258872859 is 95827885278.

It is not a de Polignac number, because 87258872859 - 2⁹ = 87258872347 is a prime.

It is a super-2 number, since 2×87258872859² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 87258872793 and 87258872802.

It is not an unprimeable number, because it can be changed into a prime (87258872809) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1331137 + ... + 1395149.

It is an arithmetic number, because the mean of its divisors is an integer number (7441499472).

Almost surely, 2^87258872859 is an apocalyptic number.

87258872859 is a deficient number, since it is larger than the sum of its proper divisors (31805118693).

87258872859 is a wasteful number, since it uses less digits than its factorization.

87258872859 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74626.

The product of its digits is 180633600, while the sum is 69.

The spelling of 87258872859 in words is "eighty-seven billion, two hundred fifty-eight million, eight hundred seventy-two thousand, eight hundred fifty-nine".