875055129638 has 8 divisors (see below), whose sum is σ = 1312591082088. Its totient is φ = 437524768944.

The previous prime is 875055129593. The next prime is 875055129673. The reversal of 875055129638 is 836921550578.

It is a happy number.

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

It is a super-2 number, since 2×875055129638² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 981956 + ... + 1647527.

It is an arithmetic number, because the mean of its divisors is an integer number (164073885261).

Almost surely, 2^875055129638 is an apocalyptic number.

875055129638 is a deficient number, since it is larger than the sum of its proper divisors (437535952450).

875055129638 is a wasteful number, since it uses less digits than its factorization.

875055129638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2795878.

The product of its (nonzero) digits is 18144000, while the sum is 59.

The spelling of 875055129638 in words is "eight hundred seventy-five billion, fifty-five million, one hundred twenty-nine thousand, six hundred thirty-eight".