34011378778 has 24 divisors (see below), whose sum is σ = 55942660800. Its totient is φ = 15498843984.

The previous prime is 34011378721. The next prime is 34011378809. The reversal of 34011378778 is 87787311043.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 610168 + ... + 663571.

It is an arithmetic number, because the mean of its divisors is an integer number (2330944200).

Almost surely, 2^34011378778 is an apocalyptic number.

34011378778 is a deficient number, since it is larger than the sum of its proper divisors (21931282022).

34011378778 is a wasteful number, since it uses less digits than its factorization.

34011378778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1273846 (or 1273833 counting only the distinct ones).

The product of its (nonzero) digits is 790272, while the sum is 49.

The spelling of 34011378778 in words is "thirty-four billion, eleven million, three hundred seventy-eight thousand, seven hundred seventy-eight".