77403713340 has 24 divisors (see below), whose sum is σ = 216730397520. Its totient is φ = 20640990208.

The previous prime is 77403713329. The next prime is 77403713347. The reversal of 77403713340 is 4331730477.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77403713347) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 645030885 + ... + 645031004.

It is an arithmetic number, because the mean of its divisors is an integer number (9030433230).

Almost surely, 2^77403713340 is an apocalyptic number.

It is an amenable number.

77403713340 is an abundant number, since it is smaller than the sum of its proper divisors (139326684180).

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

77403713340 is a wasteful number, since it uses less digits than its factorization.

77403713340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1290061901 (or 1290061899 counting only the distinct ones).

The product of its (nonzero) digits is 148176, while the sum is 39.

The spelling of 77403713340 in words is "seventy-seven billion, four hundred three million, seven hundred thirteen thousand, three hundred forty".