34670678857 has 4 divisors (see below), whose sum is σ = 34690082256. Its totient is φ = 34651275460.

The previous prime is 34670678831. The next prime is 34670678881. The reversal of 34670678857 is 75887607643.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-34670678857 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 34670678795 and 34670678804.

It is not an unprimeable number, because it can be changed into a prime (34670678807) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9699019 + ... + 9702592.

It is an arithmetic number, because the mean of its divisors is an integer number (8672520564).

Almost surely, 2^34670678857 is an apocalyptic number.

It is an amenable number.

34670678857 is a deficient number, since it is larger than the sum of its proper divisors (19403399).

34670678857 is a wasteful number, since it uses less digits than its factorization.

34670678857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19403398.

The product of its (nonzero) digits is 47416320, while the sum is 61.

The spelling of 34670678857 in words is "thirty-four billion, six hundred seventy million, six hundred seventy-eight thousand, eight hundred fifty-seven".