487791026 has 4 divisors (see below), whose sum is σ = 731686542. Its totient is φ = 243895512.

The previous prime is 487790999. The next prime is 487791043. The reversal of 487791026 is 620197784.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 384748225 + 103042801 = 19615^2 + 10151^2 .

It is a super-2 number, since 2×487791026² = 475880170092265352, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121947755 + ... + 121947758.

Almost surely, 2^487791026 is an apocalyptic number.

487791026 is a deficient number, since it is larger than the sum of its proper divisors (243895516).

487791026 is a wasteful number, since it uses less digits than its factorization.

487791026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243895515.

The product of its (nonzero) digits is 169344, while the sum is 44.

The square root of 487791026 is about 22085.9916236514. The cubic root of 487791026 is about 787.1870400339.

The spelling of 487791026 in words is "four hundred eighty-seven million, seven hundred ninety-one thousand, twenty-six".