86812747 has 16 divisors (see below), whose sum is σ = 103219200. Its totient is φ = 71436960.

The previous prime is 86812711. The next prime is 86812757. The reversal of 86812747 is 74721868.

It is not a de Polignac number, because 86812747 - 2¹¹ = 86810699 is a prime.

It is not an unprimeable number, because it can be changed into a prime (86812757) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37654 + ... + 39892.

It is an arithmetic number, because the mean of its divisors is an integer number (6451200).

Almost surely, 2^86812747 is an apocalyptic number.

86812747 is a deficient number, since it is larger than the sum of its proper divisors (16406453).

86812747 is a wasteful number, since it uses less digits than its factorization.

86812747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2466.

The product of its digits is 150528, while the sum is 43.

The square root of 86812747 is about 9317.3358316635. The cubic root of 86812747 is about 442.7866307685.

The spelling of 86812747 in words is "eighty-six million, eight hundred twelve thousand, seven hundred forty-seven".