79434186461 has 16 divisors (see below), whose sum is σ = 91875772800. Its totient is φ = 67267292928.

The previous prime is 79434186443. The next prime is 79434186467. The reversal of 79434186461 is 16468143497.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-79434186461 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79434186467) 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, 733721 + ... + 834993.

It is an arithmetic number, because the mean of its divisors is an integer number (5742235800).

Almost surely, 2^79434186461 is an apocalyptic number.

It is an amenable number.

79434186461 is a deficient number, since it is larger than the sum of its proper divisors (12441586339).

79434186461 is a wasteful number, since it uses less digits than its factorization.

79434186461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102628.

The product of its digits is 3483648, while the sum is 53.

The spelling of 79434186461 in words is "seventy-nine billion, four hundred thirty-four million, one hundred eighty-six thousand, four hundred sixty-one".