79806387414 has 256 divisors, whose sum is σ = 188881330176. Its totient is φ = 22295347200.

The previous prime is 79806387407. The next prime is 79806387431. The reversal of 79806387414 is 41478360897.

It is a congruent number.

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, 413504502 + ... + 413504694.

It is an arithmetic number, because the mean of its divisors is an integer number (737817696).

Almost surely, 2^79806387414 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 79806387414, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94440665088).

79806387414 is an abundant number, since it is smaller than the sum of its proper divisors (109074942762).

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

79806387414 is a wasteful number, since it uses less digits than its factorization.

79806387414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 423.

The product of its (nonzero) digits is 8128512, while the sum is 57.

The spelling of 79806387414 in words is "seventy-nine billion, eight hundred six million, three hundred eighty-seven thousand, four hundred fourteen".