77963714016 has 48 divisors (see below), whose sum is σ = 208516173264. Its totient is φ = 25497565184.

The previous prime is 77963713879. The next prime is 77963714021. The reversal of 77963714016 is 61041736977.

It is a tau number, because it is divible by the number of its divisors (48).

It is a self number, because there is not a number n which added to its sum of digits gives 77963714016.

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, 7656441 + ... + 7666616.

It is an arithmetic number, because the mean of its divisors is an integer number (4344086943).

Almost surely, 2^77963714016 is an apocalyptic number.

It is an amenable number.

77963714016 is an abundant number, since it is smaller than the sum of its proper divisors (130552459248).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

77963714016 is a wasteful number, since it uses less digits than its factorization.

77963714016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15323123 (or 15323115 counting only the distinct ones).

The product of its (nonzero) digits is 1333584, while the sum is 51.

The spelling of 77963714016 in words is "seventy-seven billion, nine hundred sixty-three million, seven hundred fourteen thousand, sixteen".