51077247302 has 4 divisors (see below), whose sum is σ = 76615870956. Its totient is φ = 25538623650.

The previous prime is 51077247229. The next prime is 51077247311. The reversal of 51077247302 is 20374277015.

51077247302 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12769311824 + ... + 12769311827.

It is an arithmetic number, because the mean of its divisors is an integer number (19153967739).

Almost surely, 2^51077247302 is an apocalyptic number.

51077247302 is a deficient number, since it is larger than the sum of its proper divisors (25538623654).

51077247302 is a wasteful number, since it uses less digits than its factorization.

51077247302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25538623653.

The product of its (nonzero) digits is 82320, while the sum is 38.

The spelling of 51077247302 in words is "fifty-one billion, seventy-seven million, two hundred forty-seven thousand, three hundred two".