83127562645 has 16 divisors (see below), whose sum is σ = 101397628800. Its totient is φ = 65414349504.

The previous prime is 83127562621. The next prime is 83127562717. The reversal of 83127562645 is 54626572138.

It is a cyclic number.

It is not a de Polignac number, because 83127562645 - 2⁵ = 83127562613 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 464919 + ... + 618388.

It is an arithmetic number, because the mean of its divisors is an integer number (6337351800).

Almost surely, 2^83127562645 is an apocalyptic number.

It is an amenable number.

83127562645 is a deficient number, since it is larger than the sum of its proper divisors (18270066155).

83127562645 is a wasteful number, since it uses less digits than its factorization.

83127562645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1083564.

The product of its digits is 2419200, while the sum is 49.

The spelling of 83127562645 in words is "eighty-three billion, one hundred twenty-seven million, five hundred sixty-two thousand, six hundred forty-five".