345127977 has 12 divisors (see below), whose sum is σ = 498710784. Its totient is φ = 229996440.

The previous prime is 345127973. The next prime is 345127987. The reversal of 345127977 is 779721543.

It is not a de Polignac number, because 345127977 - 2² = 345127973 is a prime.

It is a super-2 number, since 2×345127977² = 238226641016225058, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (345127973) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24352 + ... + 35822.

It is an arithmetic number, because the mean of its divisors is an integer number (41559232).

Almost surely, 2^345127977 is an apocalyptic number.

It is an amenable number.

345127977 is a deficient number, since it is larger than the sum of its proper divisors (153582807).

345127977 is a wasteful number, since it uses less digits than its factorization.

345127977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14820 (or 14817 counting only the distinct ones).

The product of its digits is 370440, while the sum is 45.

The square root of 345127977 is about 18577.6203266188. The cubic root of 345127977 is about 701.4446200262. Note that the first 3 decimals are identical.

The spelling of 345127977 in words is "three hundred forty-five million, one hundred twenty-seven thousand, nine hundred seventy-seven".