86579147772 has 72 divisors (see below), whose sum is σ = 237850092480. Its totient is φ = 26395320960.

The previous prime is 86579147713. The next prime is 86579147777. The reversal of 86579147772 is 27774197568.

86579147772 is a `hidden beast` number, since 8 + 6 + 5 + 7 + 91 + 477 + 72 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86579147777) 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, 797604 + ... + 899627.

Almost surely, 2^86579147772 is an apocalyptic number.

It is an amenable number.

86579147772 is an abundant number, since it is smaller than the sum of its proper divisors (151270944708).

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

86579147772 is a wasteful number, since it uses less digits than its factorization.

86579147772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1697363 (or 1697358 counting only the distinct ones).

The product of its digits is 41489280, while the sum is 63.

The spelling of 86579147772 in words is "eighty-six billion, five hundred seventy-nine million, one hundred forty-seven thousand, seven hundred seventy-two".