79308638334 has 48 divisors (see below), whose sum is σ = 176157496944. Its totient is φ = 25773552000.

The previous prime is 79308638333. The next prime is 79308638369. The reversal of 79308638334 is 43383680397.

It is a super-2 number, since 2×79308638334² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79308638333) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 324034 + ... + 513434.

It is an arithmetic number, because the mean of its divisors is an integer number (3669947853).

Almost surely, 2^79308638334 is an apocalyptic number.

79308638334 is an abundant number, since it is smaller than the sum of its proper divisors (96848858610).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

79308638334 is a wasteful number, since it uses less digits than its factorization.

79308638334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189993 (or 189990 counting only the distinct ones).

The product of its (nonzero) digits is 7838208, while the sum is 54.

The spelling of 79308638334 in words is "seventy-nine billion, three hundred eight million, six hundred thirty-eight thousand, three hundred thirty-four".