33878772634 has 16 divisors (see below), whose sum is σ = 58425671808. Its totient is φ = 14432530032.

The previous prime is 33878772593. The next prime is 33878772649. The reversal of 33878772634 is 43627787833.

It is a super-2 number, since 2×33878772634² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 7242909 + ... + 7247584.

It is an arithmetic number, because the mean of its divisors is an integer number (3651604488).

Almost surely, 2^33878772634 is an apocalyptic number.

33878772634 is a deficient number, since it is larger than the sum of its proper divisors (24546899174).

33878772634 is a wasteful number, since it uses less digits than its factorization.

33878772634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14490669.

The product of its digits is 28449792, while the sum is 58.

The spelling of 33878772634 in words is "thirty-three billion, eight hundred seventy-eight million, seven hundred seventy-two thousand, six hundred thirty-four".