7887061 has 24 divisors (see below), whose sum is σ = 10013760. Its totient is φ = 6080256.

The previous prime is 7887053. The next prime is 7887083. The reversal of 7887061 is 1607887.

It is a happy number.

It is not a de Polignac number, because 7887061 - 2³ = 7887053 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7887061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7887001) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 69741 + ... + 69853.

It is an arithmetic number, because the mean of its divisors is an integer number (417240).

Almost surely, 2^7887061 is an apocalyptic number.

It is an amenable number.

7887061 is a deficient number, since it is larger than the sum of its proper divisors (2126699).

7887061 is a wasteful number, since it uses less digits than its factorization.

7887061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205 (or 192 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 37.

The square root of 7887061 is about 2808.3911764567. The cubic root of 7887061 is about 199.0543777055.

The spelling of 7887061 in words is "seven million, eight hundred eighty-seven thousand, sixty-one".