87996629 has 4 divisors (see below), whose sum is σ = 100567584. Its totient is φ = 75425676.

The previous prime is 87996547. The next prime is 87996637. The reversal of 87996629 is 92669978.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-87996629 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87996659) 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, 6285467 + ... + 6285480.

It is an arithmetic number, because the mean of its divisors is an integer number (25141896).

Almost surely, 2^87996629 is an apocalyptic number.

It is an amenable number.

87996629 is a deficient number, since it is larger than the sum of its proper divisors (12570955).

87996629 is a wasteful number, since it uses less digits than its factorization.

87996629 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12570954.

The product of its digits is 2939328, while the sum is 56.

The square root of 87996629 is about 9380.6518430224. The cubic root of 87996629 is about 444.7903384679.

The spelling of 87996629 in words is "eighty-seven million, nine hundred ninety-six thousand, six hundred twenty-nine".