90277870339 has 2 divisors, whose sum is σ = 90277870340. Its totient is φ = 90277870338.

The previous prime is 90277870301. The next prime is 90277870363. The reversal of 90277870339 is 93307877209.

It is a strong prime.

It is an emirp because it is prime and its reverse (93307877209) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-90277870339 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 90277870339.

It is not a weakly prime, because it can be changed into another prime (90277870399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45138935169 + 45138935170.

It is an arithmetic number, because the mean of its divisors is an integer number (45138935170).

Almost surely, 2^90277870339 is an apocalyptic number.

90277870339 is a deficient number, since it is larger than the sum of its proper divisors (1).

90277870339 is an equidigital number, since it uses as much as digits as its factorization.

90277870339 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4000752, while the sum is 55.

The spelling of 90277870339 in words is "ninety billion, two hundred seventy-seven million, eight hundred seventy thousand, three hundred thirty-nine".