7949208057 has 16 divisors (see below), whose sum is σ = 12440460672. Its totient is φ = 4419636480.

The previous prime is 7949208023. The next prime is 7949208097. The reversal of 7949208057 is 7508029497.

It is not a de Polignac number, because 7949208057 - 2¹⁸ = 7948945913 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7949208017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5114544 + ... + 5116097.

It is an arithmetic number, because the mean of its divisors is an integer number (777528792).

Almost surely, 2^7949208057 is an apocalyptic number.

It is an amenable number.

7949208057 is a deficient number, since it is larger than the sum of its proper divisors (4491252615).

7949208057 is a wasteful number, since it uses less digits than its factorization.

7949208057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10230688.

The product of its (nonzero) digits is 1270080, while the sum is 51.

The square root of 7949208057 is about 89158.3313942113. The cubic root of 7949208057 is about 1995.7583486397.

The spelling of 7949208057 in words is "seven billion, nine hundred forty-nine million, two hundred eight thousand, fifty-seven".