345172777590 has 32 divisors (see below), whose sum is σ = 831970110816. Its totient is φ = 91651024640.

The previous prime is 345172777589. The next prime is 345172777603. The reversal of 345172777590 is 95777271543.

It is a self number, because there is not a number n which added to its sum of digits gives 345172777590.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24683481 + ... + 24697460.

It is an arithmetic number, because the mean of its divisors is an integer number (25999065963).

Almost surely, 2^345172777590 is an apocalyptic number.

345172777590 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

345172777590 is an abundant number, since it is smaller than the sum of its proper divisors (486797333226).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

345172777590 is a wasteful number, since it uses less digits than its factorization.

345172777590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49381184.

The product of its (nonzero) digits is 12965400, while the sum is 57.

The spelling of 345172777590 in words is "three hundred forty-five billion, one hundred seventy-two million, seven hundred seventy-seven thousand, five hundred ninety".