1485858873 has 4 divisors (see below), whose sum is σ = 1981145168. Its totient is φ = 990572580.

The previous prime is 1485858859. The next prime is 1485858931. The reversal of 1485858873 is 3788585841.

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, and also an emirpimes, since its reverse is a distinct semiprime: 3788585841 = 3 ⋅1262861947.

It is a de Polignac number, because none of the positive numbers 2^k-1485858873 is a prime.

It is a super-3 number, since 3×1485858873³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1485858853) 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, 247643143 + ... + 247643148.

It is an arithmetic number, because the mean of its divisors is an integer number (495286292).

Almost surely, 2^1485858873 is an apocalyptic number.

It is an amenable number.

1485858873 is a deficient number, since it is larger than the sum of its proper divisors (495286295).

1485858873 is an equidigital number, since it uses as much as digits as its factorization.

1485858873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 495286294.

The product of its digits is 8601600, while the sum is 57.

The square root of 1485858873 is about 38546.8399872156. The cubic root of 1485858873 is about 1141.1056455479.

The spelling of 1485858873 in words is "one billion, four hundred eighty-five million, eight hundred fifty-eight thousand, eight hundred seventy-three".