87734636 has 12 divisors (see below), whose sum is σ = 167493480. Its totient is φ = 39879360.

The previous prime is 87734617. The next prime is 87734639. The reversal of 87734636 is 63643778.

It is a Harshad number since it is a multiple of its sum of digits (44), and also a Moran number because the ratio is a prime number: 1993969 = 87734636 / (8 + 7 + 7 + 3 + 4 + 6 + 3 + 6).

It is not an unprimeable number, because it can be changed into a prime (87734639) 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, 996941 + ... + 997028.

It is an arithmetic number, because the mean of its divisors is an integer number (13957790).

Almost surely, 2^87734636 is an apocalyptic number.

It is an amenable number.

87734636 is a deficient number, since it is larger than the sum of its proper divisors (79758844).

87734636 is a wasteful number, since it uses less digits than its factorization.

87734636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1993984 (or 1993982 counting only the distinct ones).

The product of its digits is 508032, while the sum is 44.

The square root of 87734636 is about 9366.6768920466. The cubic root of 87734636 is about 444.3484738245.

The spelling of 87734636 in words is "eighty-seven million, seven hundred thirty-four thousand, six hundred thirty-six".