77393066 has 16 divisors (see below), whose sum is σ = 117237120. Its totient is φ = 38316240.

The previous prime is 77393059. The next prime is 77393093. The reversal of 77393066 is 66039377.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 158675 + ... + 159161.

It is an arithmetic number, because the mean of its divisors is an integer number (7327320).

Almost surely, 2^77393066 is an apocalyptic number.

77393066 is a deficient number, since it is larger than the sum of its proper divisors (39844054).

77393066 is a wasteful number, since it uses less digits than its factorization.

77393066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1109.

The product of its (nonzero) digits is 142884, while the sum is 41.

The square root of 77393066 is about 8797.3328912802. The cubic root of 77393066 is about 426.1547668097.

It can be divided in two parts, 773 and 93066, that added together give a palindrome (93839).

The spelling of 77393066 in words is "seventy-seven million, three hundred ninety-three thousand, sixty-six".