86662240290 has 24 divisors (see below), whose sum is σ = 225321824988. Its totient is φ = 23109930720.

The previous prime is 86662240261. The next prime is 86662240319. The reversal of 86662240290 is 9204226668.

It is an interprime number because it is at equal distance from previous prime (86662240261) and next prime (86662240319).

It can be written as a sum of positive squares in 2 ways, for example, as 86501280321 + 160959969 = 294111^2 + 12687^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 481456801 + ... + 481456980.

Almost surely, 2^86662240290 is an apocalyptic number.

86662240290 is an abundant number, since it is smaller than the sum of its proper divisors (138659584698).

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

86662240290 is a wasteful number, since it uses less digits than its factorization.

86662240290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 962913794 (or 962913791 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 45.

The spelling of 86662240290 in words is "eighty-six billion, six hundred sixty-two million, two hundred forty thousand, two hundred ninety".