77774157311 has 8 divisors (see below), whose sum is σ = 78669835200. Its totient is φ = 76881791520.

The previous prime is 77774157301. The next prime is 77774157313. The reversal of 77774157311 is 11375147777.

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

It is a cyclic number.

It is not a de Polignac number, because 77774157311 - 2³⁴ = 60594288127 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 77774157311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77774157313) 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, 780776 + ... + 874733.

It is an arithmetic number, because the mean of its divisors is an integer number (9833729400).

Almost surely, 2^77774157311 is an apocalyptic number.

77774157311 is a deficient number, since it is larger than the sum of its proper divisors (895677889).

77774157311 is a wasteful number, since it uses less digits than its factorization.

77774157311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1656049.

The product of its digits is 1008420, while the sum is 50.

The spelling of 77774157311 in words is "seventy-seven billion, seven hundred seventy-four million, one hundred fifty-seven thousand, three hundred eleven".