86976549 has 12 divisors (see below), whose sum is σ = 137054112. Its totient is φ = 52713000.

The previous prime is 86976541. The next prime is 86976583. The reversal of 86976549 is 94567968.

86976549 is a `hidden beast` number, since 8 + 6 + 97 + 6 + 549 = 666.

It is not a de Polignac number, because 86976549 - 2³ = 86976541 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 86976495 and 86976504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86976541) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 439177 + ... + 439374.

It is an arithmetic number, because the mean of its divisors is an integer number (11421176).

Almost surely, 2^86976549 is an apocalyptic number.

It is an amenable number.

86976549 is a deficient number, since it is larger than the sum of its proper divisors (50077563).

86976549 is a wasteful number, since it uses less digits than its factorization.

86976549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 878568 (or 878565 counting only the distinct ones).

The product of its digits is 3265920, while the sum is 54.

The square root of 86976549 is about 9326.1218628109. The cubic root of 86976549 is about 443.0649453740.

The spelling of 86976549 in words is "eighty-six million, nine hundred seventy-six thousand, five hundred forty-nine".