838375505 has 8 divisors (see below), whose sum is σ = 1097509824. Its totient is φ = 609727600.

The previous prime is 838375487. The next prime is 838375511. The reversal of 838375505 is 505573838.

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

It is not a de Polignac number, because 838375505 - 2¹⁴ = 838359121 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7621541 + ... + 7621650.

It is an arithmetic number, because the mean of its divisors is an integer number (137188728).

Almost surely, 2^838375505 is an apocalyptic number.

It is an amenable number.

838375505 is a deficient number, since it is larger than the sum of its proper divisors (259134319).

838375505 is a wasteful number, since it uses less digits than its factorization.

838375505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15243207.

The product of its (nonzero) digits is 504000, while the sum is 44.

The square root of 838375505 is about 28954.7147283478. The cubic root of 838375505 is about 942.9301598695.

The spelling of 838375505 in words is "eight hundred thirty-eight million, three hundred seventy-five thousand, five hundred five".