86772738 has 16 divisors (see below), whose sum is σ = 186895296. Its totient is φ = 26699280.

The previous prime is 86772737. The next prime is 86772757. The reversal of 86772738 is 83727768.

It is not an unprimeable number, because it can be changed into a prime (86772737) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 556158 + ... + 556313.

It is an arithmetic number, because the mean of its divisors is an integer number (11680956).

Almost surely, 2^86772738 is an apocalyptic number.

86772738 is an abundant number, since it is smaller than the sum of its proper divisors (100122558).

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

86772738 is a wasteful number, since it uses less digits than its factorization.

86772738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1112489.

The product of its digits is 790272, while the sum is 48.

The square root of 86772738 is about 9315.1885649191. The cubic root of 86772738 is about 442.7185986223.

The spelling of 86772738 in words is "eighty-six million, seven hundred seventy-two thousand, seven hundred thirty-eight".