7987701 has 4 divisors (see below), whose sum is σ = 10650272. Its totient is φ = 5325132.

The previous prime is 7987699. The next prime is 7987703. The reversal of 7987701 is 1077897.

It is a happy number.

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: 1077897 = 3 ⋅359299.

It is an interprime number because it is at equal distance from previous prime (7987699) and next prime (7987703).

It is not a de Polignac number, because 7987701 - 2¹ = 7987699 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 7987701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7987703) 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, 1331281 + ... + 1331286.

It is an arithmetic number, because the mean of its divisors is an integer number (2662568).

Almost surely, 2^7987701 is an apocalyptic number.

It is an amenable number.

7987701 is a deficient number, since it is larger than the sum of its proper divisors (2662571).

7987701 is a wasteful number, since it uses less digits than its factorization.

7987701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2662570.

The product of its (nonzero) digits is 24696, while the sum is 39.

The square root of 7987701 is about 2826.2521118966. The cubic root of 7987701 is about 199.8974557657.

The spelling of 7987701 in words is "seven million, nine hundred eighty-seven thousand, seven hundred one".