78946793 has 8 divisors (see below), whose sum is σ = 85370112. Its totient is φ = 72721216.

The previous prime is 78946727. The next prime is 78946807. The reversal of 78946793 is 39764987.

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 78946793 - 2⁸ = 78946537 is a prime.

It is a super-2 number, since 2×78946793² = 12465192249969698, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (78946093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48605 + ... + 50202.

It is an arithmetic number, because the mean of its divisors is an integer number (10671264).

Almost surely, 2^78946793 is an apocalyptic number.

It is an amenable number.

78946793 is a deficient number, since it is larger than the sum of its proper divisors (6423319).

78946793 is a wasteful number, since it uses less digits than its factorization.

78946793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98871.

The product of its digits is 2286144, while the sum is 53.

The square root of 78946793 is about 8885.2007855760. The cubic root of 78946793 is about 428.9876907953.

The spelling of 78946793 in words is "seventy-eight million, nine hundred forty-six thousand, seven hundred ninety-three".