233942944778 has 16 divisors (see below), whose sum is σ = 361006678656. Its totient is φ = 113650240080.

The previous prime is 233942944777. The next prime is 233942944787. The reversal of 233942944778 is 877449249332.

It is a super-2 number, since 2×233942944778² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 233942944778.

It is not an unprimeable number, because it can be changed into a prime (233942944771) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10702718 + ... + 10724553.

It is an arithmetic number, because the mean of its divisors is an integer number (22562917416).

Almost surely, 2^233942944778 is an apocalyptic number.

233942944778 is a deficient number, since it is larger than the sum of its proper divisors (127063733878).

233942944778 is a wasteful number, since it uses less digits than its factorization.

233942944778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21427429.

The product of its digits is 73156608, while the sum is 62.

The spelling of 233942944778 in words is "two hundred thirty-three billion, nine hundred forty-two million, nine hundred forty-four thousand, seven hundred seventy-eight".