487222791 has 16 divisors (see below), whose sum is σ = 713388288. Its totient is φ = 293328000.

The previous prime is 487222789. The next prime is 487222793. The reversal of 487222791 is 197222784.

It is an interprime number because it is at equal distance from previous prime (487222789) and next prime (487222793).

It is not a de Polignac number, because 487222791 - 2¹ = 487222789 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (487222793) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43906 + ... + 53871.

It is an arithmetic number, because the mean of its divisors is an integer number (44586768).

Almost surely, 2^487222791 is an apocalyptic number.

487222791 is a deficient number, since it is larger than the sum of its proper divisors (226165497).

487222791 is a wasteful number, since it uses less digits than its factorization.

487222791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97942.

The product of its digits is 112896, while the sum is 42.

The square root of 487222791 is about 22073.1237254721. The cubic root of 487222791 is about 786.8812526455.

The spelling of 487222791 in words is "four hundred eighty-seven million, two hundred twenty-two thousand, seven hundred ninety-one".