375837779647 has 4 divisors (see below), whose sum is σ = 410004850536. Its totient is φ = 341670708760.

The previous prime is 375837779593. The next prime is 375837779651. The reversal of 375837779647 is 746977738573.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-375837779647 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 375837779647.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (375837779657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17083535428 + ... + 17083535449.

It is an arithmetic number, because the mean of its divisors is an integer number (102501212634).

Almost surely, 2^375837779647 is an apocalyptic number.

375837779647 is a deficient number, since it is larger than the sum of its proper divisors (34167070889).

375837779647 is a wasteful number, since it uses less digits than its factorization.

375837779647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34167070888.

The product of its digits is 1306912320, while the sum is 73.

The spelling of 375837779647 in words is "three hundred seventy-five billion, eight hundred thirty-seven million, seven hundred seventy-nine thousand, six hundred forty-seven".