77483565 has 12 divisors (see below), whose sum is σ = 134304924. Its totient is φ = 41324544.

The previous prime is 77483537. The next prime is 77483591. The reversal of 77483565 is 56538477.

77483565 is a `hidden beast` number, since 7 + 7 + 4 + 83 + 565 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 59259204 + 18224361 = 7698^2 + 4269^2 .

It is not a de Polignac number, because 77483565 - 2⁵ = 77483533 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 1721857 = 77483565 / (7 + 7 + 4 + 8 + 3 + 5 + 6 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 77483565.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 860884 + ... + 860973.

It is an arithmetic number, because the mean of its divisors is an integer number (11192077).

Almost surely, 2^77483565 is an apocalyptic number.

It is an amenable number.

77483565 is a deficient number, since it is larger than the sum of its proper divisors (56821359).

77483565 is a wasteful number, since it uses less digits than its factorization.

77483565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1721868 (or 1721865 counting only the distinct ones).

The product of its digits is 705600, while the sum is 45.

The square root of 77483565 is about 8802.4749360620. The cubic root of 77483565 is about 426.3208090642.

The spelling of 77483565 in words is "seventy-seven million, four hundred eighty-three thousand, five hundred sixty-five".