77442233 has 8 divisors (see below), whose sum is σ = 88929120. Its totient is φ = 66696480.

The previous prime is 77442139. The next prime is 77442251. The reversal of 77442233 is 33224477.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 77442233 - 2¹⁴ = 77425849 is a prime.

It is a super-3 number, since 3×77442233³ (a number of 25 digits) contains 333 as substring.

It is a zygodrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 77442233.

It is not an unprimeable number, because it can be changed into a prime (77442283) 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, 185060 + ... + 185477.

It is an arithmetic number, because the mean of its divisors is an integer number (11116140).

Almost surely, 2^77442233 is an apocalyptic number.

It is an amenable number.

77442233 is a deficient number, since it is larger than the sum of its proper divisors (11486887).

77442233 is a wasteful number, since it uses less digits than its factorization.

77442233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 370567.

The product of its digits is 28224, while the sum is 32.

The square root of 77442233 is about 8800.1268740854. The cubic root of 77442233 is about 426.2449915850.

The spelling of 77442233 in words is "seventy-seven million, four hundred forty-two thousand, two hundred thirty-three".