78953874 has 8 divisors (see below), whose sum is σ = 157907760. Its totient is φ = 26317956.

The previous prime is 78953867. The next prime is 78953923. The reversal of 78953874 is 47835987.

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

78953874 is an admirable number.

It is a super-3 number, since 3×78953874³ (a number of 25 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6579484 + ... + 6579495.

It is an arithmetic number, because the mean of its divisors is an integer number (19738470).

Almost surely, 2^78953874 is an apocalyptic number.

78953874 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

78953874 is a wasteful number, since it uses less digits than its factorization.

78953874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13158984.

The product of its digits is 1693440, while the sum is 51.

The square root of 78953874 is about 8885.5992482218. The cubic root of 78953874 is about 429.0005161887. Note that the first 3 decimals are identical.

The spelling of 78953874 in words is "seventy-eight million, nine hundred fifty-three thousand, eight hundred seventy-four".