77726301342 has 64 divisors (see below), whose sum is σ = 160447392000. Its totient is φ = 25090276608.

The previous prime is 77726301337. The next prime is 77726301349. The reversal of 77726301342 is 24310362777.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 77726301294 and 77726301303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77726301349) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 32533884 + ... + 32536272.

It is an arithmetic number, because the mean of its divisors is an integer number (2506990500).

Almost surely, 2^77726301342 is an apocalyptic number.

77726301342 is an abundant number, since it is smaller than the sum of its proper divisors (82721090658).

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

77726301342 is a wasteful number, since it uses less digits than its factorization.

77726301342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3785.

The product of its (nonzero) digits is 296352, while the sum is 42.

The spelling of 77726301342 in words is "seventy-seven billion, seven hundred twenty-six million, three hundred one thousand, three hundred forty-two".