51097079766 has 8 divisors (see below), whose sum is σ = 102194159544. Its totient is φ = 17032359920.

The previous prime is 51097079687. The next prime is 51097079767. The reversal of 51097079766 is 66797079015.

It is a sphenic number, since it is the product of 3 distinct primes.

51097079766 is an admirable number.

It is a super-2 number, since 2×51097079766² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51097079767) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4258089975 + ... + 4258089986.

It is an arithmetic number, because the mean of its divisors is an integer number (12774269943).

Almost surely, 2^51097079766 is an apocalyptic number.

51097079766 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51097079766 is a wasteful number, since it uses less digits than its factorization.

51097079766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8516179966.

The product of its (nonzero) digits is 5000940, while the sum is 57.

The spelling of 51097079766 in words is "fifty-one billion, ninety-seven million, seventy-nine thousand, seven hundred sixty-six".