34157859847 has 2 divisors, whose sum is σ = 34157859848. Its totient is φ = 34157859846.

The previous prime is 34157859833. The next prime is 34157859851. The reversal of 34157859847 is 74895875143.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 34157859847 - 2⁷ = 34157859719 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34157859877) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17078929923 + 17078929924.

It is an arithmetic number, because the mean of its divisors is an integer number (17078929924).

Almost surely, 2^34157859847 is an apocalyptic number.

34157859847 is a deficient number, since it is larger than the sum of its proper divisors (1).

34157859847 is an equidigital number, since it uses as much as digits as its factorization.

34157859847 is an evil number, because the sum of its binary digits is even.

The product of its digits is 33868800, while the sum is 61.

The spelling of 34157859847 in words is "thirty-four billion, one hundred fifty-seven million, eight hundred fifty-nine thousand, eight hundred forty-seven".