82376857363551 has 4 divisors (see below), whose sum is σ = 109835809818072. Its totient is φ = 54917904909032.

The previous prime is 82376857363523. The next prime is 82376857363607. The reversal of 82376857363551 is 15536375867328.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 82376857363551 - 2⁵ = 82376857363519 is a prime.

It is a super-2 number, since 2×82376857363551² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82376857363501) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13729476227256 + ... + 13729476227261.

It is an arithmetic number, because the mean of its divisors is an integer number (27458952454518).

Almost surely, 2^{82376857363551} is an apocalyptic number.

82376857363551 is a deficient number, since it is larger than the sum of its proper divisors (27458952454521).

82376857363551 is a wasteful number, since it uses less digits than its factorization.

82376857363551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27458952454520.

The product of its digits is 762048000, while the sum is 69.

The spelling of 82376857363551 in words is "eighty-two trillion, three hundred seventy-six billion, eight hundred fifty-seven million, three hundred sixty-three thousand, five hundred fifty-one".