51376667207 has 8 divisors (see below), whose sum is σ = 51455164416. Its totient is φ = 51298205112.

The previous prime is 51376667183. The next prime is 51376667231. The reversal of 51376667207 is 70276667315.

It is an interprime number because it is at equal distance from previous prime (51376667183) and next prime (51376667231).

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 51376667207 - 2²² = 51372472903 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51376667297) 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, 4829228 + ... + 4839854.

It is an arithmetic number, because the mean of its divisors is an integer number (6431895552).

Almost surely, 2^51376667207 is an apocalyptic number.

51376667207 is a deficient number, since it is larger than the sum of its proper divisors (78497209).

51376667207 is a wasteful number, since it uses less digits than its factorization.

51376667207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17557.

The product of its (nonzero) digits is 2222640, while the sum is 50.

The spelling of 51376667207 in words is "fifty-one billion, three hundred seventy-six million, six hundred sixty-seven thousand, two hundred seven".