78951004 has 24 divisors (see below), whose sum is σ = 158659200. Its totient is φ = 33997680.

The previous prime is 78951001. The next prime is 78951049. The reversal of 78951004 is 40015987.

It is a happy number.

It is a super-2 number, since 2×78951004² = 12466522065216032, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78951001) 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, 46384 + ... + 48055.

It is an arithmetic number, because the mean of its divisors is an integer number (6610800).

Almost surely, 2^78951004 is an apocalyptic number.

It is an amenable number.

78951004 is an abundant number, since it is smaller than the sum of its proper divisors (79708196).

78951004 is a wasteful number, since it uses less digits than its factorization.

78951004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94473 (or 94471 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 34.

The square root of 78951004 is about 8885.4377494865. The cubic root of 78951004 is about 428.9953180211.

The spelling of 78951004 in words is "seventy-eight million, nine hundred fifty-one thousand, four".