79863789390900 has 72 divisors (see below), whose sum is σ = 239040583444320. Its totient is φ = 20562630829440.

The previous prime is 79863789390857. The next prime is 79863789390943. The reversal of 79863789390900 is 909398736897.

79863789390900 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (79863789390857) and next prime (79863789390943).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4589864254 + ... + 4589881653.

Almost surely, 2^{79863789390900} is an apocalyptic number.

It is an amenable number.

79863789390900 is an abundant number, since it is smaller than the sum of its proper divisors (159176794053420).

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

79863789390900 is a wasteful number, since it uses less digits than its factorization.

79863789390900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9179745953 (or 9179745946 counting only the distinct ones).

The product of its (nonzero) digits is 1111065984, while the sum is 78.

The spelling of 79863789390900 in words is "seventy-nine trillion, eight hundred sixty-three billion, seven hundred eighty-nine million, three hundred ninety thousand, nine hundred".