8051919757 has 12 divisors (see below), whose sum is σ = 9668666496. Its totient is φ = 6679010520.

The previous prime is 8051919749. The next prime is 8051919773. The reversal of 8051919757 is 7579191508.

It is a happy number.

It is not a de Polignac number, because 8051919757 - 2³ = 8051919749 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 (8051919857) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2648883 + ... + 2651920.

It is an arithmetic number, because the mean of its divisors is an integer number (805722208).

Almost surely, 2^8051919757 is an apocalyptic number.

It is an amenable number.

8051919757 is a deficient number, since it is larger than the sum of its proper divisors (1616746739).

8051919757 is a wasteful number, since it uses less digits than its factorization.

8051919757 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5300848 (or 5300841 counting only the distinct ones).

The product of its (nonzero) digits is 793800, while the sum is 52.

The square root of 8051919757 is about 89732.4899743677. The cubic root of 8051919757 is about 2004.3173200843.

The spelling of 8051919757 in words is "eight billion, fifty-one million, nine hundred nineteen thousand, seven hundred fifty-seven".