86463872 has 32 divisors (see below), whose sum is σ = 187914600. Its totient is φ = 39301120.

The previous prime is 86463869. The next prime is 86463893. The reversal of 86463872 is 27836468.

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×86463872² = 14952002322464768, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 29297 + ... + 32112.

Almost surely, 2^86463872 is an apocalyptic number.

It is an amenable number.

86463872 is an abundant number, since it is smaller than the sum of its proper divisors (101450728).

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

86463872 is a wasteful number, since it uses less digits than its factorization.

86463872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61434 (or 61422 counting only the distinct ones).

The product of its digits is 387072, while the sum is 44.

The square root of 86463872 is about 9298.5951627114. The cubic root of 86463872 is about 442.1926911792.

The spelling of 86463872 in words is "eighty-six million, four hundred sixty-three thousand, eight hundred seventy-two".