77243351 has 8 divisors (see below), whose sum is σ = 81590784. Its totient is φ = 73011960.

The previous prime is 77243347. The next prime is 77243357. The reversal of 77243351 is 15334277.

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 77243351 - 2² = 77243347 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77243357) 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, 27641 + ... + 30306.

It is an arithmetic number, because the mean of its divisors is an integer number (10198848).

Almost surely, 2^77243351 is an apocalyptic number.

77243351 is a deficient number, since it is larger than the sum of its proper divisors (4347433).

77243351 is a wasteful number, since it uses less digits than its factorization.

77243351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58021.

The product of its digits is 17640, while the sum is 32.

The square root of 77243351 is about 8788.8196590896. The cubic root of 77243351 is about 425.8797940872.

The spelling of 77243351 in words is "seventy-seven million, two hundred forty-three thousand, three hundred fifty-one".