78967320 has 64 divisors (see below), whose sum is σ = 237600000. Its totient is φ = 20995968.

The previous prime is 78967313. The next prime is 78967321. The reversal of 78967320 is 2376987.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78967321) 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, 51931 + ... + 53429.

It is an arithmetic number, because the mean of its divisors is an integer number (3712500).

Almost surely, 2^78967320 is an apocalyptic number.

It is an amenable number.

78967320 is an abundant number, since it is smaller than the sum of its proper divisors (158632680).

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

78967320 is a wasteful number, since it uses less digits than its factorization.

78967320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1952 (or 1948 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 42.

The square root of 78967320 is about 8886.3558335237. The cubic root of 78967320 is about 429.0248680169.

The spelling of 78967320 in words is "seventy-eight million, nine hundred sixty-seven thousand, three hundred twenty".