86936744 has 8 divisors (see below), whose sum is σ = 163006410. Its totient is φ = 43468368.

The previous prime is 86936737. The next prime is 86936747. The reversal of 86936744 is 44763968.

It can be written as a sum of positive squares in only one way, i.e., 61434244 + 25502500 = 7838^2 + 5050^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (86936747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5433539 + ... + 5433554.

Almost surely, 2^86936744 is an apocalyptic number.

It is an amenable number.

86936744 is a deficient number, since it is larger than the sum of its proper divisors (76069666).

86936744 is a wasteful number, since it uses less digits than its factorization.

86936744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10867099 (or 10867095 counting only the distinct ones).

The product of its digits is 870912, while the sum is 47.

The square root of 86936744 is about 9323.9875589793. The cubic root of 86936744 is about 442.9973451935.

The spelling of 86936744 in words is "eighty-six million, nine hundred thirty-six thousand, seven hundred forty-four".