8820490287 has 32 divisors (see below), whose sum is σ = 13606179840. Its totient is φ = 4978483200.

The previous prime is 8820490279. The next prime is 8820490313. The reversal of 8820490287 is 7820940288.

It is not a de Polignac number, because 8820490287 - 2³ = 8820490279 is a prime.

It is a super-2 number, since 2×8820490287² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8820490687) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 926383 + ... + 935855.

It is an arithmetic number, because the mean of its divisors is an integer number (425193120).

Almost surely, 2^8820490287 is an apocalyptic number.

8820490287 is a deficient number, since it is larger than the sum of its proper divisors (4785689553).

8820490287 is a wasteful number, since it uses less digits than its factorization.

8820490287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10023.

The product of its (nonzero) digits is 516096, while the sum is 48.

The square root of 8820490287 is about 93917.4652926707. The cubic root of 8820490287 is about 2066.1613915330.

The spelling of 8820490287 in words is "eight billion, eight hundred twenty million, four hundred ninety thousand, two hundred eighty-seven".