775231214315 has 4 divisors (see below), whose sum is σ = 930277457184. Its totient is φ = 620184971448.

The previous prime is 775231214281. The next prime is 775231214369. The reversal of 775231214315 is 513412132577.

It is a happy number.

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 775231214315 - 2⁸ = 775231214059 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77523121427 + ... + 77523121436.

It is an arithmetic number, because the mean of its divisors is an integer number (232569364296).

Almost surely, 2^775231214315 is an apocalyptic number.

775231214315 is a deficient number, since it is larger than the sum of its proper divisors (155046242869).

775231214315 is a wasteful number, since it uses less digits than its factorization.

775231214315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155046242868.

The product of its digits is 176400, while the sum is 41.

The spelling of 775231214315 in words is "seven hundred seventy-five billion, two hundred thirty-one million, two hundred fourteen thousand, three hundred fifteen".