345915879 has 8 divisors (see below), whose sum is σ = 469038720. Its totient is φ = 226701816.

The previous prime is 345915851. The next prime is 345915907. The reversal of 345915879 is 978519543.

It is an interprime number because it is at equal distance from previous prime (345915851) and next prime (345915907).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 345915879 - 2¹⁶ = 345850343 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345915839) 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, 976987 + ... + 977340.

It is an arithmetic number, because the mean of its divisors is an integer number (58629840).

Almost surely, 2^345915879 is an apocalyptic number.

345915879 is a deficient number, since it is larger than the sum of its proper divisors (123122841).

345915879 is a wasteful number, since it uses less digits than its factorization.

345915879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1954389.

The product of its digits is 1360800, while the sum is 51.

The square root of 345915879 is about 18598.8139137957. The cubic root of 345915879 is about 701.9779966480.

It can be divided in two parts, 34591 and 5879, that added together give a triangular number (40470 = T₂₈₄).

The spelling of 345915879 in words is "three hundred forty-five million, nine hundred fifteen thousand, eight hundred seventy-nine".