86521676 has 24 divisors (see below), whose sum is σ = 161677824. Its totient is φ = 40415760.

The previous prime is 86521667. The next prime is 86521681. The reversal of 86521676 is 67612568.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6980 + ... + 14891.

It is an arithmetic number, because the mean of its divisors is an integer number (6736576).

Almost surely, 2^86521676 is an apocalyptic number.

86521676 is a gapful number since it is divisible by the number (86) formed by its first and last digit.

It is an amenable number.

86521676 is a deficient number, since it is larger than the sum of its proper divisors (75156148).

86521676 is a wasteful number, since it uses less digits than its factorization.

86521676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21941 (or 21939 counting only the distinct ones).

The product of its digits is 120960, while the sum is 41.

The square root of 86521676 is about 9301.7028548541. The cubic root of 86521676 is about 442.2912094460.

The spelling of 86521676 in words is "eighty-six million, five hundred twenty-one thousand, six hundred seventy-six".