78461833200 has 60 divisors (see below), whose sum is σ = 251339409528. Its totient is φ = 20923155200.

The previous prime is 78461833193. The next prime is 78461833259. The reversal of 78461833200 is 233816487.

It is a tau number, because it is divible by the number of its divisors (60).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32691231 + ... + 32693630.

Almost surely, 2^78461833200 is an apocalyptic number.

It is an amenable number.

78461833200 is an abundant number, since it is smaller than the sum of its proper divisors (172877576328).

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

78461833200 is a wasteful number, since it uses less digits than its factorization.

78461833200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65384882 (or 65384871 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 42.

The spelling of 78461833200 in words is "seventy-eight billion, four hundred sixty-one million, eight hundred thirty-three thousand, two hundred".