769663 has 2 divisors, whose sum is σ = 769664. Its totient is φ = 769662.

The previous prime is 769661. The next prime is 769673. The reversal of 769663 is 366967.

It is a weak prime.

It is an emirp because it is prime and its reverse (366967) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 769663 - 2¹ = 769661 is a prime.

It is a super-2 number, since 2×769663² = 1184762267138, which contains 22 as substring.

Together with 769661, it forms a pair of twin primes.

769663 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (769661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 384831 + 384832.

It is an arithmetic number, because the mean of its divisors is an integer number (384832).

2⁷⁶⁹⁶⁶³ is an apocalyptic number.

769663 is a deficient number, since it is larger than the sum of its proper divisors (1).

769663 is an equidigital number, since it uses as much as digits as its factorization.

769663 is an evil number, because the sum of its binary digits is even.

The product of its digits is 40824, while the sum is 37.

The square root of 769663 is about 877.3043941529. The cubic root of 769663 is about 91.6431910500.

The spelling of 769663 in words is "seven hundred sixty-nine thousand, six hundred sixty-three".