345879263777 has 4 divisors (see below), whose sum is σ = 351741624240. Its totient is φ = 340016903316.

The previous prime is 345879263761. The next prime is 345879263797. The reversal of 345879263777 is 777362978543.

It is a happy number.

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 a cyclic number.

It is not a de Polignac number, because 345879263777 - 2⁴ = 345879263761 is a prime.

It is a super-2 number, since 2×345879263777² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (345879263797) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2931180143 + ... + 2931180260.

It is an arithmetic number, because the mean of its divisors is an integer number (87935406060).

Almost surely, 2^345879263777 is an apocalyptic number.

It is an amenable number.

345879263777 is a deficient number, since it is larger than the sum of its proper divisors (5862360463).

345879263777 is an equidigital number, since it uses as much as digits as its factorization.

345879263777 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5862360462.

The product of its digits is 373403520, while the sum is 68.

The spelling of 345879263777 in words is "three hundred forty-five billion, eight hundred seventy-nine million, two hundred sixty-three thousand, seven hundred seventy-seven".