79323479340 has 384 divisors, whose sum is σ = 277267027968. Its totient is φ = 16529080320.

The previous prime is 79323479267. The next prime is 79323479423. The reversal of 79323479340 is 4397432397.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 74762410 + ... + 74763470.

It is an arithmetic number, because the mean of its divisors is an integer number (722049552).

Almost surely, 2^79323479340 is an apocalyptic number.

79323479340 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 79323479340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (138633513984).

79323479340 is an abundant number, since it is smaller than the sum of its proper divisors (197943548628).

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

79323479340 is a wasteful number, since it uses less digits than its factorization.

79323479340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1417 (or 1415 counting only the distinct ones).

The product of its (nonzero) digits is 3429216, while the sum is 51.

The spelling of 79323479340 in words is "seventy-nine billion, three hundred twenty-three million, four hundred seventy-nine thousand, three hundred forty".