7955617479 has 16 divisors (see below), whose sum is σ = 10963717632. Its totient is φ = 5128350848.

The previous prime is 7955617441. The next prime is 7955617487. The reversal of 7955617479 is 9747165597.

It is a cyclic number.

It is not a de Polignac number, because 7955617479 - 2⁹ = 7955616967 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7955617489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 328194 + ... + 351599.

It is an arithmetic number, because the mean of its divisors is an integer number (685232352).

Almost surely, 2^7955617479 is an apocalyptic number.

7955617479 is a deficient number, since it is larger than the sum of its proper divisors (3008100153).

7955617479 is a wasteful number, since it uses less digits than its factorization.

7955617479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 679926.

The product of its digits is 16669800, while the sum is 60.

The square root of 7955617479 is about 89194.2681958880. The cubic root of 7955617479 is about 1996.2945958128.

The spelling of 7955617479 in words is "seven billion, nine hundred fifty-five million, six hundred seventeen thousand, four hundred seventy-nine".