51377375077 has 8 divisors (see below), whose sum is σ = 59424434496. Its totient is φ = 43507174272.

The previous prime is 51377375059. The next prime is 51377375083. The reversal of 51377375077 is 77057377315.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 51377375077 - 2¹⁵ = 51377342309 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51377375047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44214028 + ... + 44215189.

It is an arithmetic number, because the mean of its divisors is an integer number (7428054312).

Almost surely, 2^51377375077 is an apocalyptic number.

It is an amenable number.

51377375077 is a deficient number, since it is larger than the sum of its proper divisors (8047059419).

51377375077 is an equidigital number, since it uses as much as digits as its factorization.

51377375077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88429307.

The product of its (nonzero) digits is 3781575, while the sum is 52.

The spelling of 51377375077 in words is "fifty-one billion, three hundred seventy-seven million, three hundred seventy-five thousand, seventy-seven".