77135747263 has 4 divisors (see below), whose sum is σ = 77206710400. Its totient is φ = 77064784128.

The previous prime is 77135747251. The next prime is 77135747279. The reversal of 77135747263 is 36274753177.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 77135747263 - 2¹⁷ = 77135616191 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 77135747263.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77135247263) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35479938 + ... + 35482111.

It is an arithmetic number, because the mean of its divisors is an integer number (19301677600).

Almost surely, 2^77135747263 is an apocalyptic number.

77135747263 is a deficient number, since it is larger than the sum of its proper divisors (70963137).

77135747263 is a wasteful number, since it uses less digits than its factorization.

77135747263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70963136.

The product of its digits is 5186160, while the sum is 52.

The spelling of 77135747263 in words is "seventy-seven billion, one hundred thirty-five million, seven hundred forty-seven thousand, two hundred sixty-three".