7960081994 has 16 divisors (see below), whose sum is σ = 12357839520. Its totient is φ = 3840935280.

The previous prime is 7960081933. The next prime is 7960081999. The reversal of 7960081994 is 4991800697.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (7960081999) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91397 + ... + 155799.

It is an arithmetic number, because the mean of its divisors is an integer number (772364970).

Almost surely, 2^7960081994 is an apocalyptic number.

7960081994 is a deficient number, since it is larger than the sum of its proper divisors (4397757526).

7960081994 is a wasteful number, since it uses less digits than its factorization.

7960081994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66565.

The product of its (nonzero) digits is 979776, while the sum is 53.

The square root of 7960081994 is about 89219.2916022090. The cubic root of 7960081994 is about 1996.6679513086.

The spelling of 7960081994 in words is "seven billion, nine hundred sixty million, eighty-one thousand, nine hundred ninety-four".