78754680 has 160 divisors (see below), whose sum is σ = 268329600. Its totient is φ = 20715264.

The previous prime is 78754679. The next prime is 78754717. The reversal of 78754680 is 8645787.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 353049 + ... + 353271.

It is an arithmetic number, because the mean of its divisors is an integer number (1677060).

Almost surely, 2^78754680 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 78754680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (134164800).

78754680 is an abundant number, since it is smaller than the sum of its proper divisors (189574920).

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

78754680 is a wasteful number, since it uses less digits than its factorization.

78754680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355 (or 342 counting only the distinct ones).

The product of its (nonzero) digits is 376320, while the sum is 45.

The square root of 78754680 is about 8874.3833588594. The cubic root of 78754680 is about 428.6394349224.

The spelling of 78754680 in words is "seventy-eight million, seven hundred fifty-four thousand, six hundred eighty".