86542626 has 32 divisors (see below), whose sum is σ = 175933440. Its totient is φ = 28377216.

The previous prime is 86542619. The next prime is 86542633. The reversal of 86542626 is 62624568.

It is an interprime number because it is at equal distance from previous prime (86542619) and next prime (86542633).

It is a super-2 number, since 2×86542626² = 14979252229951752, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 103980 + ... + 104808.

It is an arithmetic number, because the mean of its divisors is an integer number (5497920).

Almost surely, 2^86542626 is an apocalyptic number.

86542626 is an abundant number, since it is smaller than the sum of its proper divisors (89390814).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

86542626 is a wasteful number, since it uses less digits than its factorization.

86542626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1098.

The product of its digits is 138240, while the sum is 39.

The square root of 86542626 is about 9302.8289245799. The cubic root of 86542626 is about 442.3269047518.

The spelling of 86542626 in words is "eighty-six million, five hundred forty-two thousand, six hundred twenty-six".