78800006454 has 64 divisors (see below), whose sum is σ = 173883580416. Its totient is φ = 23655072384.

The previous prime is 78800006447. The next prime is 78800006471. The reversal of 78800006454 is 45460000887.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1128219 + ... + 1196025.

It is an arithmetic number, because the mean of its divisors is an integer number (2716930944).

Almost surely, 2^78800006454 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 78800006454, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86941790208).

78800006454 is an abundant number, since it is smaller than the sum of its proper divisors (95083573962).

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

78800006454 is a wasteful number, since it uses less digits than its factorization.

78800006454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68189.

The product of its (nonzero) digits is 215040, while the sum is 42.

The spelling of 78800006454 in words is "seventy-eight billion, eight hundred million, six thousand, four hundred fifty-four".