2785896487 has 4 divisors (see below), whose sum is σ = 3039159816. Its totient is φ = 2532633160.

The previous prime is 2785896467. The next prime is 2785896493. The reversal of 2785896487 is 7846985872.

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

It is a cyclic number.

It is not a de Polignac number, because 2785896487 - 2²³ = 2777507879 is a prime.

It is a super-2 number, since 2×2785896487² = 15522438472557882338, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2785896467) 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, 126631648 + ... + 126631669.

It is an arithmetic number, because the mean of its divisors is an integer number (759789954).

Almost surely, 2^2785896487 is an apocalyptic number.

2785896487 is a deficient number, since it is larger than the sum of its proper divisors (253263329).

2785896487 is a wasteful number, since it uses less digits than its factorization.

2785896487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253263328.

The product of its digits is 54190080, while the sum is 64.

The square root of 2785896487 is about 52781.5923120930. The cubic root of 2785896487 is about 1407.0892936650.

The spelling of 2785896487 in words is "two billion, seven hundred eighty-five million, eight hundred ninety-six thousand, four hundred eighty-seven".