87633679 has 8 divisors (see below), whose sum is σ = 103606560. Its totient is φ = 72524256.

The previous prime is 87633671. The next prime is 87633697. The reversal of 87633679 is 97633678.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 87633679 - 2³ = 87633671 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87633671) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 215644 + ... + 216049.

It is an arithmetic number, because the mean of its divisors is an integer number (12950820).

Almost surely, 2^87633679 is an apocalyptic number.

87633679 is a deficient number, since it is larger than the sum of its proper divisors (15972881).

87633679 is a wasteful number, since it uses less digits than its factorization.

87633679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 431729.

The product of its digits is 1143072, while the sum is 49.

The square root of 87633679 is about 9361.2861829986. The cubic root of 87633679 is about 444.1779698712.

Subtracting 87633679 from its reverse (97633678), we obtain a palindrome (9999999).

The spelling of 87633679 in words is "eighty-seven million, six hundred thirty-three thousand, six hundred seventy-nine".