7949594778 has 32 divisors (see below), whose sum is σ = 16152514560. Its totient is φ = 2607861360.

The previous prime is 7949594777. The next prime is 7949594797. The reversal of 7949594778 is 8774959497.

It is not an unprimeable number, because it can be changed into a prime (7949594777) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 120451 + ... + 174377.

It is an arithmetic number, because the mean of its divisors is an integer number (504766080).

Almost surely, 2^7949594778 is an apocalyptic number.

7949594778 is an abundant number, since it is smaller than the sum of its proper divisors (8202919782).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7949594778 is a wasteful number, since it uses less digits than its factorization.

7949594778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54322.

The product of its digits is 160030080, while the sum is 69.

The square root of 7949594778 is about 89160.5000995396. The cubic root of 7949594778 is about 1995.7907119956.

The spelling of 7949594778 in words is "seven billion, nine hundred forty-nine million, five hundred ninety-four thousand, seven hundred seventy-eight".