86632475771 has 2 divisors, whose sum is σ = 86632475772. Its totient is φ = 86632475770.

The previous prime is 86632475747. The next prime is 86632475807. The reversal of 86632475771 is 17757423668.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 86632475771 - 2⁶ = 86632475707 is a prime.

It is not a weakly prime, because it can be changed into another prime (86632475471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43316237885 + 43316237886.

It is an arithmetic number, because the mean of its divisors is an integer number (43316237886).

Almost surely, 2^86632475771 is an apocalyptic number.

86632475771 is a deficient number, since it is larger than the sum of its proper divisors (1).

86632475771 is an equidigital number, since it uses as much as digits as its factorization.

86632475771 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11854080, while the sum is 56.

The spelling of 86632475771 in words is "eighty-six billion, six hundred thirty-two million, four hundred seventy-five thousand, seven hundred seventy-one".