33872807738 has 16 divisors (see below), whose sum is σ = 63346549824. Its totient is φ = 13197197760.

The previous prime is 33872807723. The next prime is 33872807743. The reversal of 33872807738 is 83770827833.

It is a super-2 number, since 2×33872807738² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109976495 + ... + 109976802.

It is an arithmetic number, because the mean of its divisors is an integer number (3959159364).

Almost surely, 2^33872807738 is an apocalyptic number.

33872807738 is a deficient number, since it is larger than the sum of its proper divisors (29473742086).

33872807738 is a wasteful number, since it uses less digits than its factorization.

33872807738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219953317.

The product of its (nonzero) digits is 9483264, while the sum is 56.

The spelling of 33872807738 in words is "thirty-three billion, eight hundred seventy-two million, eight hundred seven thousand, seven hundred thirty-eight".