79737989760 has 1536 divisors, whose sum is σ = 352514937600. Its totient is φ = 16787865600.

The previous prime is 79737989743. The next prime is 79737989767. The reversal of 79737989760 is 6798973797.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is not an unprimeable number, because it can be changed into a prime (79737989767) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 1307180130 + ... + 1307180190.

Almost surely, 2^79737989760 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 79737989760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (176257468800).

79737989760 is an abundant number, since it is smaller than the sum of its proper divisors (272776947840).

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

79737989760 is a wasteful number, since it uses less digits than its factorization.

79737989760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159 (or 118 counting only the distinct ones).

The product of its (nonzero) digits is 252047376, while the sum is 72.

The spelling of 79737989760 in words is "seventy-nine billion, seven hundred thirty-seven million, nine hundred eighty-nine thousand, seven hundred sixty".