77286983 has 2 divisors, whose sum is σ = 77286984. Its totient is φ = 77286982.

The previous prime is 77286973. The next prime is 77287019. The reversal of 77286983 is 38968277.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 77286983 - 2⁴ = 77286967 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (77286973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38643491 + 38643492.

It is an arithmetic number, because the mean of its divisors is an integer number (38643492).

Almost surely, 2^77286983 is an apocalyptic number.

77286983 is a deficient number, since it is larger than the sum of its proper divisors (1).

77286983 is an equidigital number, since it uses as much as digits as its factorization.

77286983 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1016064, while the sum is 50.

The square root of 77286983 is about 8791.3015532400. The cubic root of 77286983 is about 425.9599670698.

The spelling of 77286983 in words is "seventy-seven million, two hundred eighty-six thousand, nine hundred eighty-three".