1870880090 has 16 divisors (see below), whose sum is σ = 3565677672. Its totient is φ = 704331264.

The previous prime is 1870880071. The next prime is 1870880113. The reversal of 1870880090 is 900880781.

It can be written as a sum of positive squares in 4 ways, for example, as 1870822009 + 58081 = 43253^2 + 241^2 .

It is a super-2 number, since 2×1870880090² = 7000384622316816200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5502419 + ... + 5502758.

Almost surely, 2^1870880090 is an apocalyptic number.

1870880090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1870880090 is a deficient number, since it is larger than the sum of its proper divisors (1694797582).

1870880090 is a wasteful number, since it uses less digits than its factorization.

1870880090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11005201.

The product of its (nonzero) digits is 32256, while the sum is 41.

The square root of 1870880090 is about 43253.6714048646. The cubic root of 1870880090 is about 1232.2022129184.

The spelling of 1870880090 in words is "one billion, eight hundred seventy million, eight hundred eighty thousand, ninety".