78794958 has 24 divisors (see below), whose sum is σ = 173220264. Its totient is φ = 23877040.

The previous prime is 78794951. The next prime is 78794977. The reversal of 78794958 is 85949787.

It is a junction number, because it is equal to n+sod(n) for n = 78794898 and 78794907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78794951) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 53541 + ... + 54992.

It is an arithmetic number, because the mean of its divisors is an integer number (7217511).

Almost surely, 2^78794958 is an apocalyptic number.

78794958 is an abundant number, since it is smaller than the sum of its proper divisors (94425306).

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

78794958 is a wasteful number, since it uses less digits than its factorization.

78794958 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108560 (or 108549 counting only the distinct ones).

The product of its digits is 5080320, while the sum is 57.

The square root of 78794958 is about 8876.6524095517. The cubic root of 78794958 is about 428.7124963867.

The spelling of 78794958 in words is "seventy-eight million, seven hundred ninety-four thousand, nine hundred fifty-eight".