51331700867 has 8 divisors (see below), whose sum is σ = 51779845632. Its totient is φ = 50884243200.

The previous prime is 51331700851. The next prime is 51331700869. The reversal of 51331700867 is 76800713315.

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 51331700867 - 2⁴ = 51331700851 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51331700869) 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, 21134 + ... + 321107.

It is an arithmetic number, because the mean of its divisors is an integer number (6472480704).

Almost surely, 2^51331700867 is an apocalyptic number.

51331700867 is a deficient number, since it is larger than the sum of its proper divisors (448144765).

51331700867 is a wasteful number, since it uses less digits than its factorization.

51331700867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343549.

The product of its (nonzero) digits is 105840, while the sum is 41.

The spelling of 51331700867 in words is "fifty-one billion, three hundred thirty-one million, seven hundred thousand, eight hundred sixty-seven".