83213277025 has 6 divisors (see below), whose sum is σ = 103184463542. Its totient is φ = 66570621600.

The previous prime is 83213277011. The next prime is 83213277047. The reversal of 83213277025 is 52077231238.

It can be written as a sum of positive squares in 3 ways, for example, as 352200289 + 82861076736 = 18767^2 + 287856^2 .

It is a de Polignac number, because none of the positive numbers 2^k-83213277025 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1664265516 + ... + 1664265565.

Almost surely, 2^83213277025 is an apocalyptic number.

It is an amenable number.

83213277025 is a deficient number, since it is larger than the sum of its proper divisors (19971186517).

83213277025 is a wasteful number, since it uses less digits than its factorization.

83213277025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3328531091 (or 3328531086 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 40.

The spelling of 83213277025 in words is "eighty-three billion, two hundred thirteen million, two hundred seventy-seven thousand, twenty-five".