86763697 has 4 divisors (see below), whose sum is σ = 87738660. Its totient is φ = 85788736.

The previous prime is 86763653. The next prime is 86763701. The reversal of 86763697 is 79636768.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6195121 + 80568576 = 2489^2 + 8976^2 .

It is a cyclic number.

It is not a de Polignac number, because 86763697 - 2⁷ = 86763569 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86763647) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 487348 + ... + 487525.

It is an arithmetic number, because the mean of its divisors is an integer number (21934665).

Almost surely, 2^86763697 is an apocalyptic number.

It is an amenable number.

86763697 is a deficient number, since it is larger than the sum of its proper divisors (974963).

86763697 is an equidigital number, since it uses as much as digits as its factorization.

86763697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 974962.

The product of its digits is 2286144, while the sum is 52.

The square root of 86763697 is about 9314.7032695626. The cubic root of 86763697 is about 442.7032222189.

The spelling of 86763697 in words is "eighty-six million, seven hundred sixty-three thousand, six hundred ninety-seven".