34781030865 has 48 divisors (see below), whose sum is σ = 69284592000. Its totient is φ = 15811047936.

The previous prime is 34781030831. The next prime is 34781030917. The reversal of 34781030865 is 56803018743.

It is not a de Polignac number, because 34781030865 - 2⁷ = 34781030737 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 34781030865.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 252040 + ... + 364809.

It is an arithmetic number, because the mean of its divisors is an integer number (1443429000).

Almost surely, 2^34781030865 is an apocalyptic number.

34781030865 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

34781030865 is a deficient number, since it is larger than the sum of its proper divisors (34503561135).

34781030865 is a wasteful number, since it uses less digits than its factorization.

34781030865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 617046 (or 617043 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 45.

The spelling of 34781030865 in words is "thirty-four billion, seven hundred eighty-one million, thirty thousand, eight hundred sixty-five".