77228833 has 8 divisors (see below), whose sum is σ = 84996576. Its totient is φ = 69585600.

The previous prime is 77228821. The next prime is 77228839. The reversal of 77228833 is 33882277.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-77228833 is a prime.

It is a Duffinian number.

It is a zygodrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (77228839) by changing a digit.

It is an upside-down number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29823 + ... + 32308.

It is an arithmetic number, because the mean of its divisors is an integer number (10624572).

Almost surely, 2^77228833 is an apocalyptic number.

It is an amenable number.

77228833 is a deficient number, since it is larger than the sum of its proper divisors (7767743).

77228833 is a wasteful number, since it uses less digits than its factorization.

77228833 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62255.

The product of its digits is 112896, while the sum is 40.

The square root of 77228833 is about 8787.9936845676. The cubic root of 77228833 is about 425.8531108402.

The spelling of 77228833 in words is "seventy-seven million, two hundred twenty-eight thousand, eight hundred thirty-three".