7057987 has 16 divisors (see below), whose sum is σ = 8017920. Its totient is φ = 6177600.

The previous prime is 7057961. The next prime is 7057997. The reversal of 7057987 is 7897507.

It is a cyclic number.

It is not a de Polignac number, because 7057987 - 2¹⁵ = 7025219 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7057937) 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, 13287 + ... + 13807.

It is an arithmetic number, because the mean of its divisors is an integer number (501120).

Almost surely, 2^7057987 is an apocalyptic number.

7057987 is a deficient number, since it is larger than the sum of its proper divisors (959933).

7057987 is a wasteful number, since it uses less digits than its factorization.

7057987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 594.

The product of its (nonzero) digits is 123480, while the sum is 43.

The square root of 7057987 is about 2656.6872228398. The cubic root of 7057987 is about 191.8198813552.

The spelling of 7057987 in words is "seven million, fifty-seven thousand, nine hundred eighty-seven".