79757250004 has 6 divisors (see below), whose sum is σ = 139575187514. Its totient is φ = 39878625000.

The previous prime is 79757249911. The next prime is 79757250007. The reversal of 79757250004 is 40005275797.

It can be written as a sum of positive squares in only one way, i.e., 55342562500 + 24414687504 = 235250^2 + 156252^2 .

It is a super-2 number, since 2×79757250004² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79757250007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9969656247 + ... + 9969656254.

Almost surely, 2^79757250004 is an apocalyptic number.

It is an amenable number.

79757250004 is a deficient number, since it is larger than the sum of its proper divisors (59817937510).

79757250004 is a wasteful number, since it uses less digits than its factorization.

79757250004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19939312505 (or 19939312503 counting only the distinct ones).

The product of its (nonzero) digits is 617400, while the sum is 46.

The spelling of 79757250004 in words is "seventy-nine billion, seven hundred fifty-seven million, two hundred fifty thousand, four".