77145707135 has 8 divisors (see below), whose sum is σ = 105799826976. Its totient is φ = 52899913440.

The previous prime is 77145707101. The next prime is 77145707147. The reversal of 77145707135 is 53170754177.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 77145707135 - 2¹⁴ = 77145690751 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 77145707135.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1102081496 + ... + 1102081565.

It is an arithmetic number, because the mean of its divisors is an integer number (13224978372).

Almost surely, 2^77145707135 is an apocalyptic number.

77145707135 is a deficient number, since it is larger than the sum of its proper divisors (28654119841).

77145707135 is a wasteful number, since it uses less digits than its factorization.

77145707135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2204163073.

The product of its (nonzero) digits is 720300, while the sum is 47.

The spelling of 77145707135 in words is "seventy-seven billion, one hundred forty-five million, seven hundred seven thousand, one hundred thirty-five".