77283113 has 4 divisors (see below), whose sum is σ = 77302980. Its totient is φ = 77263248.

The previous prime is 77283109. The next prime is 77283161. The reversal of 77283113 is 31138277.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31138277 = 1987 ⋅15671.

It can be written as a sum of positive squares in 2 ways, for example, as 4214809 + 73068304 = 2053^2 + 8548^2 .

It is a cyclic number.

It is not a de Polignac number, because 77283113 - 2² = 77283109 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 77283113.

It is not an unprimeable number, because it can be changed into a prime (77283163) 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, 1970 + ... + 12587.

It is an arithmetic number, because the mean of its divisors is an integer number (19325745).

Almost surely, 2^77283113 is an apocalyptic number.

It is an amenable number.

77283113 is a deficient number, since it is larger than the sum of its proper divisors (19867).

77283113 is a wasteful number, since it uses less digits than its factorization.

77283113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19866.

The product of its digits is 7056, while the sum is 32.

The square root of 77283113 is about 8791.0814465571. The cubic root of 77283113 is about 425.9528572370.

The spelling of 77283113 in words is "seventy-seven million, two hundred eighty-three thousand, one hundred thirteen".