79489230870 has 256 divisors, whose sum is σ = 243656294400. Its totient is φ = 16156661760.

The previous prime is 79489230833. The next prime is 79489230871. The reversal of 79489230870 is 7803298497.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a self number, because there is not a number n which added to its sum of digits gives 79489230870.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79489230871) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 29233371 + ... + 29236089.

It is an arithmetic number, because the mean of its divisors is an integer number (951782400).

Almost surely, 2^79489230870 is an apocalyptic number.

79489230870 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 79489230870, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (121828147200).

79489230870 is an abundant number, since it is smaller than the sum of its proper divisors (164167063530).

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

79489230870 is a wasteful number, since it uses less digits than its factorization.

79489230870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3203.

The product of its (nonzero) digits is 6096384, while the sum is 57.

The spelling of 79489230870 in words is "seventy-nine billion, four hundred eighty-nine million, two hundred thirty thousand, eight hundred seventy".