974472887 has 2 divisors, whose sum is σ = 974472888. Its totient is φ = 974472886.

The previous prime is 974472841. The next prime is 974472943. The reversal of 974472887 is 788274479.

It is a happy number.

It is an a-pointer prime, because the next prime (974472943) can be obtained adding 974472887 to its sum of digits (56).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 974472887 - 2¹⁰ = 974471863 is a prime.

It is a super-2 number, since 2×974472887² = 1899194814996229538, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (974477887) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 487236443 + 487236444.

It is an arithmetic number, because the mean of its divisors is an integer number (487236444).

Almost surely, 2^974472887 is an apocalyptic number.

974472887 is a deficient number, since it is larger than the sum of its proper divisors (1).

974472887 is an equidigital number, since it uses as much as digits as its factorization.

974472887 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6322176, while the sum is 56.

The square root of 974472887 is about 31216.5482877271. The cubic root of 974472887 is about 991.4175139932.

The spelling of 974472887 in words is "nine hundred seventy-four million, four hundred seventy-two thousand, eight hundred eighty-seven".