77226851 has 8 divisors (see below), whose sum is σ = 83297424. Its totient is φ = 71174880.

The previous prime is 77226829. The next prime is 77226857. The reversal of 77226851 is 15862277.

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 77226851 - 2¹⁴ = 77210467 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (77226857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4685 + ... + 13281.

It is an arithmetic number, because the mean of its divisors is an integer number (10412178).

Almost surely, 2^77226851 is an apocalyptic number.

77226851 is a deficient number, since it is larger than the sum of its proper divisors (6070573).

77226851 is a wasteful number, since it uses less digits than its factorization.

77226851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9301.

The product of its digits is 47040, while the sum is 38.

The square root of 77226851 is about 8787.8809163529. The cubic root of 77226851 is about 425.8494677790.

The spelling of 77226851 in words is "seventy-seven million, two hundred twenty-six thousand, eight hundred fifty-one".