77387283 has 12 divisors (see below), whose sum is σ = 115636560. Its totient is φ = 49812336.

The previous prime is 77387267. The next prime is 77387293. The reversal of 77387283 is 38278377.

It is not a de Polignac number, because 77387283 - 2⁴ = 77387267 is a prime.

It is not an unprimeable number, because it can be changed into a prime (77387243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 147991 + ... + 148512.

It is an arithmetic number, because the mean of its divisors is an integer number (9636380).

Almost surely, 2^77387283 is an apocalyptic number.

77387283 is a deficient number, since it is larger than the sum of its proper divisors (38249277).

77387283 is a wasteful number, since it uses less digits than its factorization.

77387283 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296538 (or 296535 counting only the distinct ones).

The product of its digits is 395136, while the sum is 45.

The square root of 77387283 is about 8797.0042059783. The cubic root of 77387283 is about 426.1441521016.

The spelling of 77387283 in words is "seventy-seven million, three hundred eighty-seven thousand, two hundred eighty-three".