78925392 has 240 divisors, whose sum is σ = 287064960. Its totient is φ = 19657728.

The previous prime is 78925391. The next prime is 78925423. The reversal of 78925392 is 29352987.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78925391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 248818 + ... + 249134.

It is an arithmetic number, because the mean of its divisors is an integer number (1196104).

Almost surely, 2^78925392 is an apocalyptic number.

78925392 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 78925392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (143532480).

78925392 is an abundant number, since it is smaller than the sum of its proper divisors (208139568).

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

78925392 is a wasteful number, since it uses less digits than its factorization.

78925392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 370 (or 361 counting only the distinct ones).

The product of its digits is 272160, while the sum is 45.

The square root of 78925392 is about 8883.9963980182. The cubic root of 78925392 is about 428.9489237772.

The spelling of 78925392 in words is "seventy-eight million, nine hundred twenty-five thousand, three hundred ninety-two".