89999095477 has 2 divisors, whose sum is σ = 89999095478. Its totient is φ = 89999095476.

The previous prime is 89999095451. The next prime is 89999095513. The reversal of 89999095477 is 77459099998.

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., 76967959761 + 13031135716 = 277431^2 + 114154^2 .

It is a cyclic number.

It is not a de Polignac number, because 89999095477 - 2²⁷ = 89864877749 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89999095877) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44999547738 + 44999547739.

It is an arithmetic number, because the mean of its divisors is an integer number (44999547739).

Almost surely, 2^89999095477 is an apocalyptic number.

It is an amenable number.

89999095477 is a deficient number, since it is larger than the sum of its proper divisors (1).

89999095477 is an equidigital number, since it uses as much as digits as its factorization.

89999095477 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 462944160, while the sum is 76.

The spelling of 89999095477 in words is "eighty-nine billion, nine hundred ninety-nine million, ninety-five thousand, four hundred seventy-seven".