86764963 has 16 divisors (see below), whose sum is σ = 94993920. Its totient is φ = 78960096.

The previous prime is 86764949. The next prime is 86764967. The reversal of 86764963 is 36946768.

It is a cyclic number.

It is not a de Polignac number, because 86764963 - 2¹³ = 86756771 is a prime.

It is not an unprimeable number, because it can be changed into a prime (86764967) 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, 57606 + ... + 59092.

It is an arithmetic number, because the mean of its divisors is an integer number (5937120).

Almost surely, 2^86764963 is an apocalyptic number.

86764963 is a gapful number since it is divisible by the number (83) formed by its first and last digit.

86764963 is a deficient number, since it is larger than the sum of its proper divisors (8228957).

86764963 is a wasteful number, since it uses less digits than its factorization.

86764963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1626.

The product of its digits is 1306368, while the sum is 49.

The square root of 86764963 is about 9314.7712263909. The cubic root of 86764963 is about 442.7053754219.

The spelling of 86764963 in words is "eighty-six million, seven hundred sixty-four thousand, nine hundred sixty-three".