980500090 has 8 divisors (see below), whose sum is σ = 1764900180. Its totient is φ = 392200032.

The previous prime is 980500019. The next prime is 980500091. The reversal of 980500090 is 90005089.

It can be written as a sum of positive squares in 2 ways, for example, as 978000529 + 2499561 = 31273^2 + 1581^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×980500090² = 1922760852980016200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (980500091) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49024995 + ... + 49025014.

Almost surely, 2^980500090 is an apocalyptic number.

980500090 is a deficient number, since it is larger than the sum of its proper divisors (784400090).

980500090 is a wasteful number, since it uses less digits than its factorization.

980500090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98050016.

The product of its (nonzero) digits is 3240, while the sum is 31.

The square root of 980500090 is about 31312.9380608080. The cubic root of 980500090 is about 993.4573166515.

The spelling of 980500090 in words is "nine hundred eighty million, five hundred thousand, ninety".