87973705 has 16 divisors (see below), whose sum is σ = 111988800. Its totient is φ = 66156480.

The previous prime is 87973681. The next prime is 87973709. The reversal of 87973705 is 50737978.

It is a happy number.

It is not a de Polignac number, because 87973705 - 2⁵ = 87973673 is a prime.

It is not an unprimeable number, because it can be changed into a prime (87973709) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8911 + ... + 15979.

It is an arithmetic number, because the mean of its divisors is an integer number (6999300).

Almost surely, 2^87973705 is an apocalyptic number.

It is an amenable number.

87973705 is a deficient number, since it is larger than the sum of its proper divisors (24015095).

87973705 is a wasteful number, since it uses less digits than its factorization.

87973705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7224.

The product of its (nonzero) digits is 370440, while the sum is 46.

The square root of 87973705 is about 9379.4298867255. The cubic root of 87973705 is about 444.7517110062.

The spelling of 87973705 in words is "eighty-seven million, nine hundred seventy-three thousand, seven hundred five".