78370794 has 32 divisors (see below), whose sum is σ = 176618880. Its totient is φ = 25754400.

The previous prime is 78370781. The next prime is 78370807. The reversal of 78370794 is 49707387.

It is an interprime number because it is at equal distance from previous prime (78370781) and next prime (78370807).

It is a super-2 number, since 2×78370794² = 12283962704380872, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6387 + ... + 14054.

It is an arithmetic number, because the mean of its divisors is an integer number (5519340).

Almost surely, 2^78370794 is an apocalyptic number.

78370794 is an abundant number, since it is smaller than the sum of its proper divisors (98248086).

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

78370794 is a wasteful number, since it uses less digits than its factorization.

78370794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20523 (or 20517 counting only the distinct ones).

The product of its (nonzero) digits is 296352, while the sum is 45.

The square root of 78370794 is about 8852.7280541085. The cubic root of 78370794 is about 427.9418392743.

The spelling of 78370794 in words is "seventy-eight million, three hundred seventy thousand, seven hundred ninety-four".