34078857 has 8 divisors (see below), whose sum is σ = 47005440. Its totient is φ = 21935760.

The previous prime is 34078843. The next prime is 34078871. The reversal of 34078857 is 75887043.

It is an interprime number because it is at equal distance from previous prime (34078843) and next prime (34078871).

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

It is not a de Polignac number, because 34078857 - 2⁸ = 34078601 is a prime.

It is a super-2 number, since 2×34078857² = 2322736988852898, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (34078817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 195769 + ... + 195942.

It is an arithmetic number, because the mean of its divisors is an integer number (5875680).

Almost surely, 2^34078857 is an apocalyptic number.

It is an amenable number.

34078857 is a deficient number, since it is larger than the sum of its proper divisors (12926583).

34078857 is a wasteful number, since it uses less digits than its factorization.

34078857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 391743.

The product of its (nonzero) digits is 188160, while the sum is 42.

The square root of 34078857 is about 5837.7099105728. The cubic root of 34078857 is about 324.2114436759.

It can be divided in two parts, 340 and 78857, that added together give a palindrome (79197).

The spelling of 34078857 in words is "thirty-four million, seventy-eight thousand, eight hundred fifty-seven".