79758241420 has 576 divisors, whose sum is σ = 227029340160. Its totient is φ = 23223214080.

The previous prime is 79758241393. The next prime is 79758241429. The reversal of 79758241420 is 2414285797.

It is a super-2 number, since 2×79758241420² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (79758241429) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 477594177 + ... + 477594343.

It is an arithmetic number, because the mean of its divisors is an integer number (394148160).

Almost surely, 2^79758241420 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 79758241420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (113514670080).

79758241420 is an abundant number, since it is smaller than the sum of its proper divisors (147271098740).

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

79758241420 is a wasteful number, since it uses less digits than its factorization.

79758241420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294 (or 281 counting only the distinct ones).

The product of its (nonzero) digits is 1128960, while the sum is 49.

The spelling of 79758241420 in words is "seventy-nine billion, seven hundred fifty-eight million, two hundred forty-one thousand, four hundred twenty".