78475760 has 100 divisors (see below), whose sum is σ = 203696040. Its totient is φ = 28110720.

The previous prime is 78475729. The next prime is 78475777. The reversal of 78475760 is 6757487.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1171247 + ... + 1171313.

Almost surely, 2^78475760 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 78475760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (101848020).

78475760 is an abundant number, since it is smaller than the sum of its proper divisors (125220280).

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

78475760 is an equidigital number, since it uses as much as digits as its factorization.

78475760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124 (or 85 counting only the distinct ones).

The product of its (nonzero) digits is 329280, while the sum is 44.

The square root of 78475760 is about 8858.6545253780. The cubic root of 78475760 is about 428.1328088156.

The spelling of 78475760 in words is "seventy-eight million, four hundred seventy-five thousand, seven hundred sixty".