34235286778 has 24 divisors (see below), whose sum is σ = 65167727904. Its totient is φ = 13338423000.

The previous prime is 34235286773. The next prime is 34235286847. The reversal of 34235286778 is 87768253243.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (34235286773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15877998 + ... + 15880153.

It is an arithmetic number, because the mean of its divisors is an integer number (2715321996).

Almost surely, 2^34235286778 is an apocalyptic number.

34235286778 is a deficient number, since it is larger than the sum of its proper divisors (30932441126).

34235286778 is a wasteful number, since it uses less digits than its factorization.

34235286778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31758178 (or 31758171 counting only the distinct ones).

The product of its digits is 13547520, while the sum is 55.

The spelling of 34235286778 in words is "thirty-four billion, two hundred thirty-five million, two hundred eighty-six thousand, seven hundred seventy-eight".