51077247339 has 16 divisors (see below), whose sum is σ = 70492050720. Its totient is φ = 32858327040.

The previous prime is 51077247317. The next prime is 51077247341. The reversal of 51077247339 is 93374277015.

It is not a de Polignac number, because 51077247339 - 2¹⁵ = 51077214571 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51077247349) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17142 + ... + 320075.

It is an arithmetic number, because the mean of its divisors is an integer number (4405753170).

Almost surely, 2^51077247339 is an apocalyptic number.

51077247339 is a deficient number, since it is larger than the sum of its proper divisors (19414803381).

51077247339 is a wasteful number, since it uses less digits than its factorization.

51077247339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 338990.

The product of its (nonzero) digits is 1111320, while the sum is 48.

The spelling of 51077247339 in words is "fifty-one billion, seventy-seven million, two hundred forty-seven thousand, three hundred thirty-nine".