77101047398 has 16 divisors (see below), whose sum is σ = 115807058640. Its totient is φ = 38498724000.

The previous prime is 77101047389. The next prime is 77101047421. The reversal of 77101047398 is 89374010177.

It is a happy number.

It is a congruent number.

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, 7782248 + ... + 7792148.

It is an arithmetic number, because the mean of its divisors is an integer number (7237941165).

Almost surely, 2^77101047398 is an apocalyptic number.

77101047398 is a deficient number, since it is larger than the sum of its proper divisors (38706011242).

77101047398 is a wasteful number, since it uses less digits than its factorization.

77101047398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14743.

The product of its (nonzero) digits is 296352, while the sum is 47.

The spelling of 77101047398 in words is "seventy-seven billion, one hundred one million, forty-seven thousand, three hundred ninety-eight".