78551830054 has 16 divisors (see below), whose sum is σ = 120712581360. Its totient is φ = 38314477440.

The previous prime is 78551829989. The next prime is 78551830061. The reversal of 78551830054 is 45003815587.

It is a junction number, because it is equal to n+sod(n) for n = 78551829986 and 78551830013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1019737 + ... + 1094059.

It is an arithmetic number, because the mean of its divisors is an integer number (7544536335).

Almost surely, 2^78551830054 is an apocalyptic number.

78551830054 is a deficient number, since it is larger than the sum of its proper divisors (42160751306).

78551830054 is a wasteful number, since it uses less digits than its factorization.

78551830054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87255.

The product of its (nonzero) digits is 672000, while the sum is 46.

The spelling of 78551830054 in words is "seventy-eight billion, five hundred fifty-one million, eight hundred thirty thousand, fifty-four".