78883407 has 12 divisors (see below), whose sum is σ = 115118640. Its totient is φ = 52046208.

The previous prime is 78883391. The next prime is 78883433. The reversal of 78883407 is 70438887.

It is not a de Polignac number, because 78883407 - 2⁴ = 78883391 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78883447) 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, 44307 + ... + 46052.

It is an arithmetic number, because the mean of its divisors is an integer number (9593220).

Almost surely, 2^78883407 is an apocalyptic number.

78883407 is a deficient number, since it is larger than the sum of its proper divisors (36235233).

78883407 is a wasteful number, since it uses less digits than its factorization.

78883407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90462 (or 90459 counting only the distinct ones).

The product of its (nonzero) digits is 301056, while the sum is 45.

The square root of 78883407 is about 8881.6331268523. The cubic root of 78883407 is about 428.8728493375.

The spelling of 78883407 in words is "seventy-eight million, eight hundred eighty-three thousand, four hundred seven".