1797868290 has 16 divisors (see below), whose sum is σ = 4314883968. Its totient is φ = 479431536.

The previous prime is 1797868273. The next prime is 1797868349. The reversal of 1797868290 is 928687971.

It is a self number, because there is not a number n which added to its sum of digits gives 1797868290.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29964442 + ... + 29964501.

It is an arithmetic number, because the mean of its divisors is an integer number (269680248).

Almost surely, 2^1797868290 is an apocalyptic number.

1797868290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1797868290 is an abundant number, since it is smaller than the sum of its proper divisors (2517015678).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1797868290 is a wasteful number, since it uses less digits than its factorization.

1797868290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59928953.

The product of its (nonzero) digits is 3048192, while the sum is 57.

The square root of 1797868290 is about 42401.2769854871. The cubic root of 1797868290 is about 1215.9600060607.

It can be divided in two parts, 17978 and 68290, that added together give a palindrome (86268).

The spelling of 1797868290 in words is "one billion, seven hundred ninety-seven million, eight hundred sixty-eight thousand, two hundred ninety".