86229376477 has 2 divisors, whose sum is σ = 86229376478. Its totient is φ = 86229376476.

The previous prime is 86229376433. The next prime is 86229376523. The reversal of 86229376477 is 77467392268.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 75684961881 + 10544414596 = 275109^2 + 102686^2 .

It is a cyclic number.

It is not a de Polignac number, because 86229376477 - 2²⁷ = 86095158749 is a prime.

It is a super-2 number, since 2×86229376477² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86229476477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43114688238 + 43114688239.

It is an arithmetic number, because the mean of its divisors is an integer number (43114688239).

Almost surely, 2^86229376477 is an apocalyptic number.

It is an amenable number.

86229376477 is a deficient number, since it is larger than the sum of its proper divisors (1).

86229376477 is an equidigital number, since it uses as much as digits as its factorization.

86229376477 is an evil number, because the sum of its binary digits is even.

The product of its digits is 42674688, while the sum is 61.

The spelling of 86229376477 in words is "eighty-six billion, two hundred twenty-nine million, three hundred seventy-six thousand, four hundred seventy-seven".