77045718 has 8 divisors (see below), whose sum is σ = 154091448. Its totient is φ = 25681904.

The previous prime is 77045687. The next prime is 77045743. The reversal of 77045718 is 81754077.

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

77045718 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6420471 + ... + 6420482.

It is an arithmetic number, because the mean of its divisors is an integer number (19261431).

Almost surely, 2^77045718 is an apocalyptic number.

77045718 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

77045718 is a wasteful number, since it uses less digits than its factorization.

77045718 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12840958.

The product of its (nonzero) digits is 54880, while the sum is 39.

The square root of 77045718 is about 8777.5690256471. The cubic root of 77045718 is about 425.5162685721.

The spelling of 77045718 in words is "seventy-seven million, forty-five thousand, seven hundred eighteen".