77850233 has 4 divisors (see below), whose sum is σ = 77980800. Its totient is φ = 77719668.

The previous prime is 77850221. The next prime is 77850247. The reversal of 77850233 is 33205877.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 77850233 - 2⁸ = 77849977 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 77850193 and 77850202.

It is not an unprimeable number, because it can be changed into a prime (77850203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64385 + ... + 65582.

It is an arithmetic number, because the mean of its divisors is an integer number (19495200).

Almost surely, 2^77850233 is an apocalyptic number.

It is an amenable number.

77850233 is a deficient number, since it is larger than the sum of its proper divisors (130567).

77850233 is a wasteful number, since it uses less digits than its factorization.

77850233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130566.

The product of its (nonzero) digits is 35280, while the sum is 35.

The square root of 77850233 is about 8823.2779056312. The cubic root of 77850233 is about 426.9922300213.

The spelling of 77850233 in words is "seventy-seven million, eight hundred fifty thousand, two hundred thirty-three".