79737063427 has 16 divisors (see below), whose sum is σ = 91385846784. Its totient is φ = 68152968000.

The previous prime is 79737063421. The next prime is 79737063433. The reversal of 79737063427 is 72436073797.

It is an interprime number because it is at equal distance from previous prime (79737063421) and next prime (79737063433).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-79737063427 is a prime.

It is a super-2 number, since 2×79737063427² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (79737063421) 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, 4261302 + ... + 4279972.

It is an arithmetic number, because the mean of its divisors is an integer number (5711615424).

Almost surely, 2^79737063427 is an apocalyptic number.

79737063427 is a deficient number, since it is larger than the sum of its proper divisors (11648783357).

79737063427 is a wasteful number, since it uses less digits than its factorization.

79737063427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20370.

The product of its (nonzero) digits is 9335088, while the sum is 55.

The spelling of 79737063427 in words is "seventy-nine billion, seven hundred thirty-seven million, sixty-three thousand, four hundred twenty-seven".