77196490614 has 80 divisors (see below), whose sum is σ = 174030912000. Its totient is φ = 25575905520.

The previous prime is 77196490607. The next prime is 77196490621. The reversal of 77196490614 is 41609469177.

77196490614 is a `hidden beast` number, since 7 + 7 + 1 + 96 + 490 + 61 + 4 = 666.

It is an interprime number because it is at equal distance from previous prime (77196490607) and next prime (77196490621).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 21258579 + ... + 21262209.

It is an arithmetic number, because the mean of its divisors is an integer number (2175386400).

Almost surely, 2^77196490614 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 77196490614, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87015456000).

77196490614 is an abundant number, since it is smaller than the sum of its proper divisors (96834421386).

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

77196490614 is a wasteful number, since it uses less digits than its factorization.

77196490614 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4407 (or 4398 counting only the distinct ones).

The product of its (nonzero) digits is 2286144, while the sum is 54.

The spelling of 77196490614 in words is "seventy-seven billion, one hundred ninety-six million, four hundred ninety thousand, six hundred fourteen".