487499997 has 4 divisors (see below), whose sum is σ = 650000000. Its totient is φ = 324999996.

The previous prime is 487499977. The next prime is 487500029. The reversal of 487499997 is 799994784.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 487499997 - 2⁷ = 487499869 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (487499977) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81249997 + ... + 81250002.

It is an arithmetic number, because the mean of its divisors is an integer number (162500000).

Almost surely, 2^487499997 is an apocalyptic number.

It is an amenable number.

487499997 is a deficient number, since it is larger than the sum of its proper divisors (162500003).

487499997 is a wasteful number, since it uses less digits than its factorization.

487499997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162500002.

The product of its digits is 41150592, while the sum is 66.

The square root of 487499997 is about 22079.4020978830. The cubic root of 487499997 is about 787.0304567013.

The spelling of 487499997 in words is "four hundred eighty-seven million, four hundred ninety-nine thousand, nine hundred ninety-seven".