79939860000 has 1200 divisors, whose sum is σ = 355001613120. Its totient is φ = 15333120000.

The previous prime is 79939859941. The next prime is 79939860029. The reversal of 79939860000 is 6893997.

It is a tau number, because it is divible by the number of its divisors (1200).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 199 ways as a sum of consecutive naturals, for example, 6149219994 + ... + 6149220006.

Almost surely, 2^79939860000 is an apocalyptic number.

79939860000 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 79939860000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (177500806560).

79939860000 is an abundant number, since it is smaller than the sum of its proper divisors (275061753120).

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

79939860000 is an equidigital number, since it uses as much as digits as its factorization.

79939860000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97 (or 41 counting only the distinct ones).

The product of its (nonzero) digits is 734832, while the sum is 51.

It can be divided in two parts, 79939 and 860000, that added together give a palindrome (939939).

The spelling of 79939860000 in words is "seventy-nine billion, nine hundred thirty-nine million, eight hundred sixty thousand".