18828763 has 2 divisors, whose sum is σ = 18828764. Its totient is φ = 18828762.

The previous prime is 18828757. The next prime is 18828773. The reversal of 18828763 is 36782881.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-18828763 is a prime.

It is a super-2 number, since 2×18828763² = 709044632220338, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (18828713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9414381 + 9414382.

It is an arithmetic number, because the mean of its divisors is an integer number (9414382).

Almost surely, 2^18828763 is an apocalyptic number.

18828763 is a deficient number, since it is larger than the sum of its proper divisors (1).

18828763 is an equidigital number, since it uses as much as digits as its factorization.

18828763 is an evil number, because the sum of its binary digits is even.

The product of its digits is 129024, while the sum is 43.

The square root of 18828763 is about 4339.2122556980. The cubic root of 18828763 is about 266.0361145305.

It can be divided in two parts, 18828 and 763, that added together give a palindrome (19591).

The spelling of 18828763 in words is "eighteen million, eight hundred twenty-eight thousand, seven hundred sixty-three".