79670213280 has 1728 divisors, whose sum is σ = 361393643520. Its totient is φ = 16460236800.

The previous prime is 79670213279. The next prime is 79670213297. The reversal of 79670213280 is 8231207697.

79670213280 is a `hidden beast` number, since 7 + 96 + 70 + 213 + 280 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 1122115645 + ... + 1122115715.

It is an arithmetic number, because the mean of its divisors is an integer number (209139840).

Almost surely, 2^79670213280 is an apocalyptic number.

79670213280 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 79670213280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (180696821760).

79670213280 is an abundant number, since it is smaller than the sum of its proper divisors (281723430240).

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

79670213280 is a wasteful number, since it uses less digits than its factorization.

79670213280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165 (or 138 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 45.

The spelling of 79670213280 in words is "seventy-nine billion, six hundred seventy million, two hundred thirteen thousand, two hundred eighty".