1028763851 has 2 divisors, whose sum is σ = 1028763852. Its totient is φ = 1028763850.

The previous prime is 1028763847. The next prime is 1028763877. The reversal of 1028763851 is 1583678201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1028763851 - 2² = 1028763847 is a prime.

It is a super-2 number, since 2×1028763851² = 2116710122248700402, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1028763799 and 1028763808.

It is not a weakly prime, because it can be changed into another prime (1028769851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 514381925 + 514381926.

It is an arithmetic number, because the mean of its divisors is an integer number (514381926).

Almost surely, 2^1028763851 is an apocalyptic number.

1028763851 is a deficient number, since it is larger than the sum of its proper divisors (1).

1028763851 is an equidigital number, since it uses as much as digits as its factorization.

1028763851 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 80640, while the sum is 41.

The square root of 1028763851 is about 32074.3488008720. The cubic root of 1028763851 is about 1009.4974629677.

The spelling of 1028763851 in words is "one billion, twenty-eight million, seven hundred sixty-three thousand, eight hundred fifty-one".