86123656 has 32 divisors (see below), whose sum is σ = 171662400. Its totient is φ = 40392000.

The previous prime is 86123647. The next prime is 86123663. The reversal of 86123656 is 65632168.

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, 12906 + ... + 18406.

It is an arithmetic number, because the mean of its divisors is an integer number (5364450).

Almost surely, 2^86123656 is an apocalyptic number.

It is an amenable number.

86123656 is a deficient number, since it is larger than the sum of its proper divisors (85538744).

86123656 is a wasteful number, since it uses less digits than its factorization.

86123656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5629 (or 5625 counting only the distinct ones).

The product of its digits is 51840, while the sum is 37.

The square root of 86123656 is about 9280.2831853344. The cubic root of 86123656 is about 441.6119523694.

The spelling of 86123656 in words is "eighty-six million, one hundred twenty-three thousand, six hundred fifty-six".