51347360077 has 24 divisors (see below), whose sum is σ = 56488346304. Its totient is φ = 46646855424.

The previous prime is 51347360041. The next prime is 51347360107. The reversal of 51347360077 is 77006374315.

51347360077 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-51347360077 is a prime.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51347360017) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2828293 + ... + 2846389.

It is an arithmetic number, because the mean of its divisors is an integer number (2353681096).

Almost surely, 2^51347360077 is an apocalyptic number.

It is an amenable number.

51347360077 is a deficient number, since it is larger than the sum of its proper divisors (5140986227).

51347360077 is a wasteful number, since it uses less digits than its factorization.

51347360077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18389 (or 18376 counting only the distinct ones).

The product of its (nonzero) digits is 370440, while the sum is 43.

The spelling of 51347360077 in words is "fifty-one billion, three hundred forty-seven million, three hundred sixty thousand, seventy-seven".