87984629 has 4 divisors (see below), whose sum is σ = 88524576. Its totient is φ = 87444684.

The previous prime is 87984607. The next prime is 87984653. The reversal of 87984629 is 92648978.

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 not a de Polignac number, because 87984629 - 2⁸ = 87984373 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87984229) 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, 269729 + ... + 270054.

It is an arithmetic number, because the mean of its divisors is an integer number (22131144).

Almost surely, 2^87984629 is an apocalyptic number.

It is an amenable number.

87984629 is a deficient number, since it is larger than the sum of its proper divisors (539947).

87984629 is a wasteful number, since it uses less digits than its factorization.

87984629 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 539946.

The product of its digits is 1741824, while the sum is 53.

The square root of 87984629 is about 9380.0122068151. The cubic root of 87984629 is about 444.7701190316.

The spelling of 87984629 in words is "eighty-seven million, nine hundred eighty-four thousand, six hundred twenty-nine".