34020857873 has 8 divisors (see below), whose sum is σ = 36159115200. Its totient is φ = 31917369168.

The previous prime is 34020857867. The next prime is 34020857879. The reversal of 34020857873 is 37875802043.

It is an interprime number because it is at equal distance from previous prime (34020857867) and next prime (34020857879).

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

It is a cyclic number.

It is not a de Polignac number, because 34020857873 - 2⁶ = 34020857809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (34020857879) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8690138 + ... + 8694051.

It is an arithmetic number, because the mean of its divisors is an integer number (4519889400).

Almost surely, 2^34020857873 is an apocalyptic number.

It is an amenable number.

34020857873 is a deficient number, since it is larger than the sum of its proper divisors (2138257327).

34020857873 is a wasteful number, since it uses less digits than its factorization.

34020857873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17384311.

The product of its (nonzero) digits is 1128960, while the sum is 47.

The spelling of 34020857873 in words is "thirty-four billion, twenty million, eight hundred fifty-seven thousand, eight hundred seventy-three".