347287612428 has 120 divisors (see below), whose sum is σ = 977042715264. Its totient is φ = 107166758400.

The previous prime is 347287612403. The next prime is 347287612459. The reversal of 347287612428 is 824216782743.

347287612428 is a `hidden beast` number, since 347 + 287 + 6 + 12 + 4 + 2 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 180828 + ... + 852803.

Almost surely, 2^347287612428 is an apocalyptic number.

It is an amenable number.

347287612428 is an abundant number, since it is smaller than the sum of its proper divisors (629755102836).

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

347287612428 is a wasteful number, since it uses less digits than its factorization.

347287612428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1033725 (or 1033714 counting only the distinct ones).

The product of its digits is 7225344, while the sum is 54.

The spelling of 347287612428 in words is "three hundred forty-seven billion, two hundred eighty-seven million, six hundred twelve thousand, four hundred twenty-eight".