78898841746 has 16 divisors (see below), whose sum is σ = 125328107520. Its totient is φ = 37123479360.

The previous prime is 78898841689. The next prime is 78898841753. The reversal of 78898841746 is 64714889887.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74491 + ... + 404161.

It is an arithmetic number, because the mean of its divisors is an integer number (7833006720).

Almost surely, 2^78898841746 is an apocalyptic number.

78898841746 is a deficient number, since it is larger than the sum of its proper divisors (46429265774).

78898841746 is a wasteful number, since it uses less digits than its factorization.

78898841746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336729.

The product of its digits is 173408256, while the sum is 70.

The spelling of 78898841746 in words is "seventy-eight billion, eight hundred ninety-eight million, eight hundred forty-one thousand, seven hundred forty-six".