77246223 has 4 divisors (see below), whose sum is σ = 102994968. Its totient is φ = 51497480.

The previous prime is 77246201. The next prime is 77246231. The reversal of 77246223 is 32264277.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32264277 = 3 ⋅10754759.

It is a cyclic number.

It is not a de Polignac number, because 77246223 - 2⁸ = 77245967 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77246263) 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, 12874368 + ... + 12874373.

It is an arithmetic number, because the mean of its divisors is an integer number (25748742).

Almost surely, 2^77246223 is an apocalyptic number.

77246223 is a deficient number, since it is larger than the sum of its proper divisors (25748745).

77246223 is a wasteful number, since it uses less digits than its factorization.

77246223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25748744.

The product of its digits is 28224, while the sum is 33.

The square root of 77246223 is about 8788.9830469742. The cubic root of 77246223 is about 425.8850722615.

The spelling of 77246223 in words is "seventy-seven million, two hundred forty-six thousand, two hundred twenty-three".