78059790 has 96 divisors (see below), whose sum is σ = 215654400. Its totient is φ = 19535040.

The previous prime is 78059789. The next prime is 78059791. The reversal of 78059790 is 9795087.

It is an interprime number because it is at equal distance from previous prime (78059789) and next prime (78059791).

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78059791) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 326491 + ... + 326729.

It is an arithmetic number, because the mean of its divisors is an integer number (2246400).

Almost surely, 2^78059790 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 78059790, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (107827200).

78059790 is an abundant number, since it is smaller than the sum of its proper divisors (137594610).

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

78059790 is a wasteful number, since it uses less digits than its factorization.

78059790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 462 (or 459 counting only the distinct ones).

The product of its (nonzero) digits is 158760, while the sum is 45.

The square root of 78059790 is about 8835.1451600978. The cubic root of 78059790 is about 427.3750121939.

The spelling of 78059790 in words is "seventy-eight million, fifty-nine thousand, seven hundred ninety".