231822977755 has 8 divisors (see below), whose sum is σ = 278209344672. Its totient is φ = 185443867968.

The previous prime is 231822977753. The next prime is 231822977759. The reversal of 231822977755 is 557779228132.

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 231822977755 - 2¹ = 231822977753 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 231822977755.

It is not an unprimeable number, because it can be changed into a prime (231822977753) 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, 1743754 + ... + 1871983.

It is an arithmetic number, because the mean of its divisors is an integer number (34776168084).

Almost surely, 2^231822977755 is an apocalyptic number.

231822977755 is a deficient number, since it is larger than the sum of its proper divisors (46386366917).

231822977755 is a wasteful number, since it uses less digits than its factorization.

231822977755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3628565.

The product of its digits is 14817600, while the sum is 58.

The spelling of 231822977755 in words is "two hundred thirty-one billion, eight hundred twenty-two million, nine hundred seventy-seven thousand, seven hundred fifty-five".