980392187 has 2 divisors, whose sum is σ = 980392188. Its totient is φ = 980392186.

The previous prime is 980392141. The next prime is 980392277. The reversal of 980392187 is 781293089.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 980392187 - 2⁸ = 980391931 is a prime.

It is a super-2 number, since 2×980392187² = 1922337680661285938, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (980392087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 490196093 + 490196094.

It is an arithmetic number, because the mean of its divisors is an integer number (490196094).

Almost surely, 2^980392187 is an apocalyptic number.

980392187 is a deficient number, since it is larger than the sum of its proper divisors (1).

980392187 is an equidigital number, since it uses as much as digits as its factorization.

980392187 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 217728, while the sum is 47.

The square root of 980392187 is about 31311.2150355108. The cubic root of 980392187 is about 993.4208723382.

The spelling of 980392187 in words is "nine hundred eighty million, three hundred ninety-two thousand, one hundred eighty-seven".