87037643 has 8 divisors (see below), whose sum is σ = 108514560. Its totient is φ = 67821480.

The previous prime is 87037631. The next prime is 87037649. The reversal of 87037643 is 34673078.

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

It is a cyclic number.

It is not a de Polignac number, because 87037643 - 2¹⁶ = 86972107 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 87037597 and 87037606.

It is not an unprimeable number, because it can be changed into a prime (87037649) 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, 565103 + ... + 565256.

It is an arithmetic number, because the mean of its divisors is an integer number (13564320).

Almost surely, 2^87037643 is an apocalyptic number.

87037643 is a deficient number, since it is larger than the sum of its proper divisors (21476917).

87037643 is a wasteful number, since it uses less digits than its factorization.

87037643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1130377.

The product of its (nonzero) digits is 84672, while the sum is 38.

The square root of 87037643 is about 9329.3967114707. The cubic root of 87037643 is about 443.1686602057.

The spelling of 87037643 in words is "eighty-seven million, thirty-seven thousand, six hundred forty-three".