78233883 has 32 divisors (see below), whose sum is σ = 130830336. Its totient is φ = 40480128.

The previous prime is 78233861. The next prime is 78233921. The reversal of 78233883 is 38833287.

It is not a de Polignac number, because 78233883 - 2⁶ = 78233819 is a prime.

It is a super-2 number, since 2×78233883² = 12241080898515378, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (78233843) 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, 11766 + ... + 17172.

It is an arithmetic number, because the mean of its divisors is an integer number (4088448).

Almost surely, 2^78233883 is an apocalyptic number.

78233883 is a deficient number, since it is larger than the sum of its proper divisors (52596453).

78233883 is a wasteful number, since it uses less digits than its factorization.

78233883 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5483.

The product of its digits is 193536, while the sum is 42.

The square root of 78233883 is about 8844.9919728624. The cubic root of 78233883 is about 427.6924942759.

The spelling of 78233883 in words is "seventy-eight million, two hundred thirty-three thousand, eight hundred eighty-three".