78704892 has 48 divisors (see below), whose sum is σ = 233201920. Its totient is φ = 22486896.

The previous prime is 78704891. The next prime is 78704893. The reversal of 78704892 is 29840787.

It is an interprime number because it is at equal distance from previous prime (78704891) and next prime (78704893).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78704891) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51298 + ... + 52809.

Almost surely, 2^78704892 is an apocalyptic number.

It is an amenable number.

78704892 is an abundant number, since it is smaller than the sum of its proper divisors (154497028).

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

78704892 is a wasteful number, since it uses less digits than its factorization.

78704892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104127 (or 104119 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 45.

The square root of 78704892 is about 8871.5777627207. The cubic root of 78704892 is about 428.5490885498.

The spelling of 78704892 in words is "seventy-eight million, seven hundred four thousand, eight hundred ninety-two".