86226657 has 24 divisors (see below), whose sum is σ = 130744320. Its totient is φ = 50450400.

The previous prime is 86226643. The next prime is 86226697. The reversal of 86226657 is 75662268.

It is not a de Polignac number, because 86226657 - 2⁴ = 86226641 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86226697) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6432 + ... + 14622.

It is an arithmetic number, because the mean of its divisors is an integer number (5447680).

Almost surely, 2^86226657 is an apocalyptic number.

86226657 is a gapful number since it is divisible by the number (87) formed by its first and last digit.

It is an amenable number.

86226657 is a deficient number, since it is larger than the sum of its proper divisors (44517663).

86226657 is a wasteful number, since it uses less digits than its factorization.

86226657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8245 (or 8234 counting only the distinct ones).

The product of its digits is 241920, while the sum is 42.

The square root of 86226657 is about 9285.8309805854. The cubic root of 86226657 is about 441.7879332532.

The spelling of 86226657 in words is "eighty-six million, two hundred twenty-six thousand, six hundred fifty-seven".