77842135300 has 72 divisors (see below), whose sum is σ = 169550925824. Its totient is φ = 31020330240.

The previous prime is 77842135289. The next prime is 77842135373. The reversal of 77842135300 is 353124877.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 49675117 + ... + 49676683.

Almost surely, 2^77842135300 is an apocalyptic number.

It is an amenable number.

77842135300 is an abundant number, since it is smaller than the sum of its proper divisors (91708790524).

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

77842135300 is a wasteful number, since it uses less digits than its factorization.

77842135300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3125 (or 3118 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 40.

The spelling of 77842135300 in words is "seventy-seven billion, eight hundred forty-two million, one hundred thirty-five thousand, three hundred".