78083942 has 8 divisors (see below), whose sum is σ = 122218416. Its totient is φ = 37344472.

The previous prime is 78083899. The next prime is 78083969. The reversal of 78083942 is 24938087.

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

It is a self number, because there is not a number n which added to its sum of digits gives 78083942.

It is a congruent number.

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, 848693 + ... + 848784.

It is an arithmetic number, because the mean of its divisors is an integer number (15277302).

Almost surely, 2^78083942 is an apocalyptic number.

78083942 is a deficient number, since it is larger than the sum of its proper divisors (44134474).

78083942 is a wasteful number, since it uses less digits than its factorization.

78083942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1697502.

The product of its (nonzero) digits is 96768, while the sum is 41.

The square root of 78083942 is about 8836.5118683788. The cubic root of 78083942 is about 427.4190848077.

The spelling of 78083942 in words is "seventy-eight million, eighty-three thousand, nine hundred forty-two".