348277777 has 8 divisors (see below), whose sum is σ = 360154112. Its totient is φ = 336441600.

The previous prime is 348277763. The next prime is 348277807. The reversal of 348277777 is 777772843.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 348277777 - 2²³ = 339889169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (348277757) 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, 8152 + ... + 27622.

It is an arithmetic number, because the mean of its divisors is an integer number (45019264).

Almost surely, 2^348277777 is an apocalyptic number.

It is an amenable number.

348277777 is a deficient number, since it is larger than the sum of its proper divisors (11876335).

348277777 is a wasteful number, since it uses less digits than its factorization.

348277777 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20079.

The product of its digits is 3226944, while the sum is 52.

The square root of 348277777 is about 18662.2018261512. The cubic root of 348277777 is about 703.5720654109.

The spelling of 348277777 in words is "three hundred forty-eight million, two hundred seventy-seven thousand, seven hundred seventy-seven".