77114845 has 16 divisors (see below), whose sum is σ = 95500080. Its totient is φ = 59733504.

The previous prime is 77114819. The next prime is 77114879. The reversal of 77114845 is 54841177.

It can be written as a sum of positive squares in 8 ways, for example, as 5560164 + 71554681 = 2358^2 + 8459^2 .

It is a cyclic number.

It is not a de Polignac number, because 77114845 - 2⁷ = 77114717 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42211 + ... + 43999.

It is an arithmetic number, because the mean of its divisors is an integer number (5968755).

Almost surely, 2^77114845 is an apocalyptic number.

It is an amenable number.

77114845 is a deficient number, since it is larger than the sum of its proper divisors (18385235).

77114845 is a wasteful number, since it uses less digits than its factorization.

77114845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2064.

The product of its digits is 31360, while the sum is 37.

The square root of 77114845 is about 8781.5058503653. The cubic root of 77114845 is about 425.6434911749.

The spelling of 77114845 in words is "seventy-seven million, one hundred fourteen thousand, eight hundred forty-five".