86980635 has 84 divisors (see below), whose sum is σ = 182417328. Its totient is φ = 39680928.

The previous prime is 86980631. The next prime is 86980643. The reversal of 86980635 is 53608968.

86980635 is a `hidden beast` number, since 8 + 6 + 9 + 8 + 0 + 635 = 666.

It is not a de Polignac number, because 86980635 - 2² = 86980631 is a prime.

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

It is not an unprimeable number, because it can be changed into a prime (86980631) by changing a digit.

It is a polite number, since it can be written in 83 ways as a sum of consecutive naturals, for example, 178362 + ... + 178848.

Almost surely, 2^86980635 is an apocalyptic number.

86980635 is an abundant number, since it is smaller than the sum of its proper divisors (95436693).

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

86980635 is an equidigital number, since it uses as much as digits as its factorization.

86980635 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 524 (or 502 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The square root of 86980635 is about 9326.3409223553. The cubic root of 86980635 is about 443.0718833937.

The spelling of 86980635 in words is "eighty-six million, nine hundred eighty thousand, six hundred thirty-five".