1073487857 has 16 divisors (see below), whose sum is σ = 1166309760. Its totient is φ = 982167552.

The previous prime is 1073487817. The next prime is 1073487929. The reversal of 1073487857 is 7587843701.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1073487857 - 2¹⁶ = 1073422321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1073487817) 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, 1395569 + ... + 1396337.

It is an arithmetic number, because the mean of its divisors is an integer number (72894360).

Almost surely, 2^1073487857 is an apocalyptic number.

It is an amenable number.

1073487857 is a deficient number, since it is larger than the sum of its proper divisors (92821903).

1073487857 is a wasteful number, since it uses less digits than its factorization.

1073487857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1592.

The product of its (nonzero) digits is 1317120, while the sum is 50.

The square root of 1073487857 is about 32764.1245419437. The cubic root of 1073487857 is about 1023.9192596989.

The spelling of 1073487857 in words is "one billion, seventy-three million, four hundred eighty-seven thousand, eight hundred fifty-seven".