78452967 has 8 divisors (see below), whose sum is σ = 107155440. Its totient is φ = 51026240.

The previous prime is 78452963. The next prime is 78452993. The reversal of 78452967 is 76925487.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 78452967 - 2² = 78452963 is a prime.

It is a super-2 number, since 2×78452967² = 12309736062206178, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78452963) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 318792 + ... + 319037.

It is an arithmetic number, because the mean of its divisors is an integer number (13394430).

Almost surely, 2^78452967 is an apocalyptic number.

78452967 is a deficient number, since it is larger than the sum of its proper divisors (28702473).

78452967 is a wasteful number, since it uses less digits than its factorization.

78452967 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 637873.

The product of its digits is 846720, while the sum is 48.

The square root of 78452967 is about 8857.3679499048. The cubic root of 78452967 is about 428.0913549279.

The spelling of 78452967 in words is "seventy-eight million, four hundred fifty-two thousand, nine hundred sixty-seven".