87676763 has 4 divisors (see below), whose sum is σ = 88496280. Its totient is φ = 86857248.

The previous prime is 87676753. The next prime is 87676781. The reversal of 87676763 is 36767678.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36767678 = 2 ⋅18383839.

It is a cyclic number.

It is not a de Polignac number, because 87676763 - 2⁴ = 87676747 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87676733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 409598 + ... + 409811.

It is an arithmetic number, because the mean of its divisors is an integer number (22124070).

Almost surely, 2^87676763 is an apocalyptic number.

87676763 is a deficient number, since it is larger than the sum of its proper divisors (819517).

87676763 is a wasteful number, since it uses less digits than its factorization.

87676763 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 819516.

The product of its digits is 1778112, while the sum is 50.

The square root of 87676763 is about 9363.5870797467. The cubic root of 87676763 is about 444.2507494561.

The spelling of 87676763 in words is "eighty-seven million, six hundred seventy-six thousand, seven hundred sixty-three".