7894739896 has 8 divisors (see below), whose sum is σ = 14802637320. Its totient is φ = 3947369944.

The previous prime is 7894739893. The next prime is 7894739911. The reversal of 7894739896 is 6989374987.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7894739893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 493421236 + ... + 493421251.

It is an arithmetic number, because the mean of its divisors is an integer number (1850329665).

Almost surely, 2^7894739896 is an apocalyptic number.

It is an amenable number.

7894739896 is a deficient number, since it is larger than the sum of its proper divisors (6907897424).

7894739896 is a wasteful number, since it uses less digits than its factorization.

7894739896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 986842493 (or 986842489 counting only the distinct ones).

The product of its digits is 164602368, while the sum is 70.

The square root of 7894739896 is about 88852.3488490878. The cubic root of 7894739896 is about 1991.1895698182.

The spelling of 7894739896 in words is "seven billion, eight hundred ninety-four million, seven hundred thirty-nine thousand, eight hundred ninety-six".