77045323 has 8 divisors (see below), whose sum is σ = 83717120. Its totient is φ = 70635240.

The previous prime is 77045317. The next prime is 77045347. The reversal of 77045323 is 32354077.

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 77045323 - 2⁵ = 77045291 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (77055323) 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, 64815 + ... + 65992.

It is an arithmetic number, because the mean of its divisors is an integer number (10464640).

Almost surely, 2^77045323 is an apocalyptic number.

77045323 is a deficient number, since it is larger than the sum of its proper divisors (6671797).

77045323 is a wasteful number, since it uses less digits than its factorization.

77045323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130857.

The product of its (nonzero) digits is 17640, while the sum is 31.

The square root of 77045323 is about 8777.5465250832. The cubic root of 77045323 is about 425.5155413882.

The spelling of 77045323 in words is "seventy-seven million, forty-five thousand, three hundred twenty-three".