87279958 has 16 divisors (see below), whose sum is σ = 139181040. Its totient is φ = 40932000.

The previous prime is 87279953. The next prime is 87279961. The reversal of 87279958 is 85997278.

It is a junction number, because it is equal to n+sod(n) for n = 87279899 and 87279908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87279953) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7533 + ... + 15208.

It is an arithmetic number, because the mean of its divisors is an integer number (8698815).

Almost surely, 2^87279958 is an apocalyptic number.

87279958 is a deficient number, since it is larger than the sum of its proper divisors (51901082).

87279958 is a wasteful number, since it uses less digits than its factorization.

87279958 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22863.

The product of its digits is 2540160, while the sum is 55.

The square root of 87279958 is about 9342.3743234790. The cubic root of 87279958 is about 443.5795433920.

The spelling of 87279958 in words is "eighty-seven million, two hundred seventy-nine thousand, nine hundred fifty-eight".