345157977 has 4 divisors (see below), whose sum is σ = 460210640. Its totient is φ = 230105316.

The previous prime is 345157961. The next prime is 345158027. The reversal of 345157977 is 779751543.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 345157977 - 2⁴ = 345157961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (345157927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57526327 + ... + 57526332.

It is an arithmetic number, because the mean of its divisors is an integer number (115052660).

Almost surely, 2^345157977 is an apocalyptic number.

It is an amenable number.

345157977 is a deficient number, since it is larger than the sum of its proper divisors (115052663).

345157977 is a wasteful number, since it uses less digits than its factorization.

345157977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115052662.

The product of its digits is 926100, while the sum is 48.

The square root of 345157977 is about 18578.4277321844. The cubic root of 345157977 is about 701.4649436262.

The spelling of 345157977 in words is "three hundred forty-five million, one hundred fifty-seven thousand, nine hundred seventy-seven".