8487970497 has 6 divisors (see below), whose sum is σ = 12260401842. Its totient is φ = 5658646992.

The previous prime is 8487970487. The next prime is 8487970507. The reversal of 8487970497 is 7940797848.

It is a happy number.

8487970497 is a `hidden beast` number, since 8 + 4 + 8 + 79 + 70 + 497 = 666.

It is an interprime number because it is at equal distance from previous prime (8487970487) and next prime (8487970507).

It can be written as a sum of positive squares in only one way, i.e., 6412165776 + 2075804721 = 80076^2 + 45561^2 .

It is not a de Polignac number, because 8487970497 - 2⁶ = 8487970433 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8487970427) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 471553908 + ... + 471553925.

It is an arithmetic number, because the mean of its divisors is an integer number (2043400307).

Almost surely, 2^8487970497 is an apocalyptic number.

It is an amenable number.

8487970497 is a deficient number, since it is larger than the sum of its proper divisors (3772431345).

8487970497 is a wasteful number, since it uses less digits than its factorization.

8487970497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 943107839 (or 943107836 counting only the distinct ones).

The product of its (nonzero) digits is 28449792, while the sum is 63.

The square root of 8487970497 is about 92130.1823345640. The cubic root of 8487970497 is about 2039.8643457950.

The spelling of 8487970497 in words is "eight billion, four hundred eighty-seven million, nine hundred seventy thousand, four hundred ninety-seven".