78773675 has 6 divisors (see below), whose sum is σ = 97679388. Its totient is φ = 63018920.

The previous prime is 78773659. The next prime is 78773693. The reversal of 78773675 is 57637787.

It is not a de Polignac number, because 78773675 - 2⁴ = 78773659 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1575449 + ... + 1575498.

It is an arithmetic number, because the mean of its divisors is an integer number (16279898).

Almost surely, 2^78773675 is an apocalyptic number.

78773675 is a deficient number, since it is larger than the sum of its proper divisors (18905713).

78773675 is a wasteful number, since it uses less digits than its factorization.

78773675 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3150957 (or 3150952 counting only the distinct ones).

The product of its digits is 1728720, while the sum is 50.

The square root of 78773675 is about 8875.4535095397. The cubic root of 78773675 is about 428.6738936219.

The spelling of 78773675 in words is "seventy-eight million, seven hundred seventy-three thousand, six hundred seventy-five".