33230857861 has 32 divisors (see below), whose sum is σ = 37185868800. Its totient is φ = 29549710080.

The previous prime is 33230857843. The next prime is 33230857883. The reversal of 33230857861 is 16875803233.

It is a cyclic number.

It is not a de Polignac number, because 33230857861 - 2¹⁹ = 33230333573 is a prime.

It is a super-2 number, since 2×33230857861² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33230851861) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24415821 + ... + 24417181.

It is an arithmetic number, because the mean of its divisors is an integer number (1162058400).

Almost surely, 2^33230857861 is an apocalyptic number.

It is an amenable number.

33230857861 is a deficient number, since it is larger than the sum of its proper divisors (3955010939).

33230857861 is a wasteful number, since it uses less digits than its factorization.

33230857861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2409.

The product of its (nonzero) digits is 725760, while the sum is 46.

The spelling of 33230857861 in words is "thirty-three billion, two hundred thirty million, eight hundred fifty-seven thousand, eight hundred sixty-one".