342648777 has 4 divisors (see below), whose sum is σ = 456865040. Its totient is φ = 228432516.

The previous prime is 342648743. The next prime is 342648791. The reversal of 342648777 is 777846243.

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, and also an emirpimes, since its reverse is a distinct semiprime: 777846243 = 3 ⋅259282081.

It is not a de Polignac number, because 342648777 - 2¹¹ = 342646729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (342648707) 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, 57108127 + ... + 57108132.

It is an arithmetic number, because the mean of its divisors is an integer number (114216260).

Almost surely, 2^342648777 is an apocalyptic number.

It is an amenable number.

342648777 is a deficient number, since it is larger than the sum of its proper divisors (114216263).

342648777 is a wasteful number, since it uses less digits than its factorization.

342648777 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114216262.

The product of its digits is 1580544, while the sum is 48.

The square root of 342648777 is about 18510.7746191239. The cubic root of 342648777 is about 699.7609911910.

The spelling of 342648777 in words is "three hundred forty-two million, six hundred forty-eight thousand, seven hundred seventy-seven".