79740498600 has 1344 divisors, whose sum is σ = 343492300800. Its totient is φ = 16812956160.

The previous prime is 79740498589. The next prime is 79740498601. The reversal of 79740498600 is 689404797.

It is a happy number.

79740498600 is a `hidden beast` number, since 7 + 97 + 4 + 0 + 498 + 60 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (79740498601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 335 ways as a sum of consecutive naturals, for example, 1009373361 + ... + 1009373439.

Almost surely, 2^79740498600 is an apocalyptic number.

79740498600 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 79740498600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (171746150400).

79740498600 is an abundant number, since it is smaller than the sum of its proper divisors (263751802200).

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

79740498600 is a wasteful number, since it uses less digits than its factorization.

79740498600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186 (or 162 counting only the distinct ones).

The product of its (nonzero) digits is 3048192, while the sum is 54.

The spelling of 79740498600 in words is "seventy-nine billion, seven hundred forty million, four hundred ninety-eight thousand, six hundred".