7979310217055 has 16 divisors (see below), whose sum is σ = 9800356921344. Its totient is φ = 6233401013280.

The previous prime is 7979310217031. The next prime is 7979310217111. The reversal of 7979310217055 is 5507120139797.

It is not a de Polignac number, because 7979310217055 - 2¹² = 7979310212959 is a prime.

It is a super-2 number, since 2×7979310217055² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3903839 + ... + 5585568.

It is an arithmetic number, because the mean of its divisors is an integer number (612522307584).

Almost surely, 2^{7979310217055} is an apocalyptic number.

7979310217055 is a deficient number, since it is larger than the sum of its proper divisors (1821046704289).

7979310217055 is a wasteful number, since it uses less digits than its factorization.

7979310217055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9493366.

The product of its (nonzero) digits is 4167450, while the sum is 56.

The spelling of 7979310217055 in words is "seven trillion, nine hundred seventy-nine billion, three hundred ten million, two hundred seventeen thousand, fifty-five".