77401743444084 has 12 divisors (see below), whose sum is σ = 180604068036224. Its totient is φ = 25800581148024.

The previous prime is 77401743444031. The next prime is 77401743444143. The reversal of 77401743444084 is 48044434710477.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-3 number, since 3×77401743444084³ (a number of 43 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3225072643492 + ... + 3225072643515.

Almost surely, 2^{77401743444084} is an apocalyptic number.

It is an amenable number.

77401743444084 is an abundant number, since it is smaller than the sum of its proper divisors (103202324592140).

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

77401743444084 is a wasteful number, since it uses less digits than its factorization.

77401743444084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6450145287014 (or 6450145287012 counting only the distinct ones).

The product of its (nonzero) digits is 33718272, while the sum is 57.

The spelling of 77401743444084 in words is "seventy-seven trillion, four hundred one billion, seven hundred forty-three million, four hundred forty-four thousand, eighty-four".