771117116948 has 24 divisors (see below), whose sum is σ = 1441019758080. Its totient is φ = 360254936160.

The previous prime is 771117116899. The next prime is 771117116989. The reversal of 771117116948 is 849611711177.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 771117116948.

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, 107215136 + ... + 107222327.

It is an arithmetic number, because the mean of its divisors is an integer number (60042489920).

Almost surely, 2^771117116948 is an apocalyptic number.

It is an amenable number.

771117116948 is a deficient number, since it is larger than the sum of its proper divisors (669902641132).

771117116948 is a wasteful number, since it uses less digits than its factorization.

771117116948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214437527 (or 214437525 counting only the distinct ones).

The product of its digits is 592704, while the sum is 53.

The spelling of 771117116948 in words is "seven hundred seventy-one billion, one hundred seventeen million, one hundred sixteen thousand, nine hundred forty-eight".