79828757001 has 72 divisors (see below), whose sum is σ = 136653963264. Its totient is φ = 43985410560.

The previous prime is 79828756993. The next prime is 79828757017. The reversal of 79828757001 is 10075782897.

It is a happy number.

It is not a de Polignac number, because 79828757001 - 2³ = 79828756993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (79828757101) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 9741816 + ... + 9750006.

It is an arithmetic number, because the mean of its divisors is an integer number (1897971712).

Almost surely, 2^79828757001 is an apocalyptic number.

It is an amenable number.

79828757001 is a deficient number, since it is larger than the sum of its proper divisors (56825206263).

79828757001 is a wasteful number, since it uses less digits than its factorization.

79828757001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8391 (or 8351 counting only the distinct ones).

The product of its (nonzero) digits is 1975680, while the sum is 54.

The spelling of 79828757001 in words is "seventy-nine billion, eight hundred twenty-eight million, seven hundred fifty-seven thousand, one".