996477187 has 2 divisors, whose sum is σ = 996477188. Its totient is φ = 996477186.

The previous prime is 996477103. The next prime is 996477203. The reversal of 996477187 is 781774699.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 996477187 - 2¹⁵ = 996444419 is a prime.

It is a super-2 number, since 2×996477187² = 1985933568422865938, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (996477487) by changing a digit.

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 as a sum of consecutive naturals, namely, 498238593 + 498238594.

It is an arithmetic number, because the mean of its divisors is an integer number (498238594).

Almost surely, 2^996477187 is an apocalyptic number.

996477187 is a deficient number, since it is larger than the sum of its proper divisors (1).

996477187 is an equidigital number, since it uses as much as digits as its factorization.

996477187 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5334336, while the sum is 58.

The square root of 996477187 is about 31567.0268951639. The cubic root of 996477187 is about 998.8243473826.

The spelling of 996477187 in words is "nine hundred ninety-six million, four hundred seventy-seven thousand, one hundred eighty-seven".