87774983 has 2 divisors, whose sum is σ = 87774984. Its totient is φ = 87774982.

The previous prime is 87774917. The next prime is 87775001. The reversal of 87774983 is 38947778.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 87774983 - 2²⁴ = 70997767 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87774083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43887491 + 43887492.

It is an arithmetic number, because the mean of its divisors is an integer number (43887492).

Almost surely, 2^87774983 is an apocalyptic number.

87774983 is a deficient number, since it is larger than the sum of its proper divisors (1).

87774983 is an equidigital number, since it uses as much as digits as its factorization.

87774983 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2370816, while the sum is 53.

The square root of 87774983 is about 9368.8303965863. The cubic root of 87774983 is about 444.4165783617.

The spelling of 87774983 in words is "eighty-seven million, seven hundred seventy-four thousand, nine hundred eighty-three".