8487970553 has 2 divisors, whose sum is σ = 8487970554. Its totient is φ = 8487970552.

The previous prime is 8487970541. The next prime is 8487970571. The reversal of 8487970553 is 3550797848.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7007029264 + 1480941289 = 83708^2 + 38483^2 .

It is a cyclic number.

It is not a de Polignac number, because 8487970553 - 2⁸ = 8487970297 is a prime.

It is not a weakly prime, because it can be changed into another prime (8487970523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4243985276 + 4243985277.

It is an arithmetic number, because the mean of its divisors is an integer number (4243985277).

Almost surely, 2^8487970553 is an apocalyptic number.

It is an amenable number.

8487970553 is a deficient number, since it is larger than the sum of its proper divisors (1).

8487970553 is an equidigital number, since it uses as much as digits as its factorization.

8487970553 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8467200, while the sum is 56.

The square root of 8487970553 is about 92130.1826384817. The cubic root of 8487970553 is about 2039.8643502811.

The spelling of 8487970553 in words is "eight billion, four hundred eighty-seven million, nine hundred seventy thousand, five hundred fifty-three".