79266607140 has 192 divisors, whose sum is σ = 259096320000. Its totient is φ = 18099430272.

The previous prime is 79266607097. The next prime is 79266607169. The reversal of 79266607140 is 4170666297.

It is a self number, because there is not a number n which added to its sum of digits gives 79266607140.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 34964287 + ... + 34966553.

It is an arithmetic number, because the mean of its divisors is an integer number (1349460000).

Almost surely, 2^79266607140 is an apocalyptic number.

79266607140 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 79266607140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (129548160000).

79266607140 is an abundant number, since it is smaller than the sum of its proper divisors (179829712860).

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

79266607140 is a wasteful number, since it uses less digits than its factorization.

79266607140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3999 (or 3983 counting only the distinct ones).

The product of its (nonzero) digits is 762048, while the sum is 48.

The spelling of 79266607140 in words is "seventy-nine billion, two hundred sixty-six million, six hundred seven thousand, one hundred forty".