79974591480 has 288 divisors, whose sum is σ = 303288513840. Its totient is φ = 18223349760.

The previous prime is 79974591449. The next prime is 79974591527. The reversal of 79974591480 is 8419547997.

79974591480 is a `hidden beast` number, since 7 + 9 + 97 + 459 + 14 + 80 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 5831992 + ... + 5845688.

Almost surely, 2^79974591480 is an apocalyptic number.

79974591480 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 79974591480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (151644256920).

79974591480 is an abundant number, since it is smaller than the sum of its proper divisors (223313922360).

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

79974591480 is a wasteful number, since it uses less digits than its factorization.

79974591480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14059 (or 14045 counting only the distinct ones).

The product of its (nonzero) digits is 22861440, while the sum is 63.

The spelling of 79974591480 in words is "seventy-nine billion, nine hundred seventy-four million, five hundred ninety-one thousand, four hundred eighty".