342777427812 has 18 divisors (see below), whose sum is σ = 866465164838. Its totient is φ = 114259142592.

The previous prime is 342777427801. The next prime is 342777427919. The reversal of 342777427812 is 218724777243.

342777427812 is a `hidden beast` number, since 34 + 277 + 74 + 278 + 1 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 185790309156 + 156987118656 = 431034^2 + 396216^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-3 number, since 3×342777427812³ (a number of 36 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4760797573 + ... + 4760797644.

Almost surely, 2^342777427812 is an apocalyptic number.

It is an amenable number.

342777427812 is an abundant number, since it is smaller than the sum of its proper divisors (523687737026).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

342777427812 is a wasteful number, since it uses less digits than its factorization.

342777427812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9521595227 (or 9521595222 counting only the distinct ones).

The product of its digits is 7375872, while the sum is 54.

The spelling of 342777427812 in words is "three hundred forty-two billion, seven hundred seventy-seven million, four hundred twenty-seven thousand, eight hundred twelve".