34778596128 has 24 divisors (see below), whose sum is σ = 91293815088. Its totient is φ = 11592865344.

The previous prime is 34778596121. The next prime is 34778596133. The reversal of 34778596128 is 82169587743.

It is a tau number, because it is divible by the number of its divisors (24).

It is not an unprimeable number, because it can be changed into a prime (34778596121) 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, 181138426 + ... + 181138617.

It is an arithmetic number, because the mean of its divisors is an integer number (3803908962).

Almost surely, 2^34778596128 is an apocalyptic number.

It is an amenable number.

34778596128 is an abundant number, since it is smaller than the sum of its proper divisors (56515218960).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

34778596128 is a wasteful number, since it uses less digits than its factorization.

34778596128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362277056 (or 362277048 counting only the distinct ones).

The product of its digits is 20321280, while the sum is 60.

The spelling of 34778596128 in words is "thirty-four billion, seven hundred seventy-eight million, five hundred ninety-six thousand, one hundred twenty-eight".