86545764 has 36 divisors (see below), whose sum is σ = 221544960. Its totient is φ = 28482480.

The previous prime is 86545733. The next prime is 86545783. The reversal of 86545764 is 46754568.

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12372 + ... + 18059.

Almost surely, 2^86545764 is an apocalyptic number.

It is an amenable number.

86545764 is an abundant number, since it is smaller than the sum of its proper divisors (134999196).

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

86545764 is a wasteful number, since it uses less digits than its factorization.

86545764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30520 (or 30515 counting only the distinct ones).

The product of its digits is 806400, while the sum is 45.

The square root of 86545764 is about 9302.9975814250. The cubic root of 86545764 is about 442.3322508844.

Adding to 86545764 its sum of digits (45), we get a square (86545809 = 9303²).

The spelling of 86545764 in words is "eighty-six million, five hundred forty-five thousand, seven hundred sixty-four".