33871457764 has 27 divisors (see below), whose sum is σ = 62978557467. Its totient is φ = 15936564864.

The previous prime is 33871457761. The next prime is 33871457773. The reversal of 33871457764 is 46775417833.

The square root of 33871457764 is 184042.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 736164 + 33870721600 = 858^2 + 184040^2 .

It is a super-2 number, since 2×33871457764² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (33871457761) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 6254722 + ... + 6260134.

Almost surely, 2^33871457764 is an apocalyptic number.

33871457764 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

33871457764 is the 184042-nd square number.

It is an amenable number.

33871457764 is a deficient number, since it is larger than the sum of its proper divisors (29107099703).

33871457764 is an frugal number, since it uses more digits than its factorization.

33871457764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10864 (or 5432 counting only the distinct ones).

The product of its digits is 11854080, while the sum is 55.

The spelling of 33871457764 in words is "thirty-three billion, eight hundred seventy-one million, four hundred fifty-seven thousand, seven hundred sixty-four".