7797479794377 has 16 divisors (see below), whose sum is σ = 12795864278400. Its totient is φ = 4112956374912.

The previous prime is 7797479794343. The next prime is 7797479794387. The reversal of 7797479794377 is 7734979747977.

It is not a de Polignac number, because 7797479794377 - 2⁷ = 7797479794249 is a prime.

It is a super-2 number, since 2×7797479794377² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 7797479794293 and 7797479794302.

It is not an unprimeable number, because it can be changed into a prime (7797479794337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14281098252 + ... + 14281098797.

It is an arithmetic number, because the mean of its divisors is an integer number (799741517400).

Almost surely, 2^{7797479794377} is an apocalyptic number.

It is an amenable number.

7797479794377 is a deficient number, since it is larger than the sum of its proper divisors (4998384484023).

7797479794377 is a wasteful number, since it uses less digits than its factorization.

7797479794377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28562197072.

The product of its digits is 28817416656, while the sum is 87.

The spelling of 7797479794377 in words is "seven trillion, seven hundred ninety-seven billion, four hundred seventy-nine million, seven hundred ninety-four thousand, three hundred seventy-seven".