86650788 has 48 divisors (see below), whose sum is σ = 231830144. Its totient is φ = 24675840.

The previous prime is 86650777. The next prime is 86650799. The reversal of 86650788 is 88705668.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (86650777) and next prime (86650799).

It is a super-2 number, since 2×86650788² = 15016718122041888, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26778 + ... + 29838.

Almost surely, 2^86650788 is an apocalyptic number.

It is an amenable number.

86650788 is an abundant number, since it is smaller than the sum of its proper divisors (145179356).

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

86650788 is a wasteful number, since it uses less digits than its factorization.

86650788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3412 (or 3410 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 48.

The square root of 86650788 is about 9308.6405022431. The cubic root of 86650788 is about 442.5111031719.

The spelling of 86650788 in words is "eighty-six million, six hundred fifty thousand, seven hundred eighty-eight".