87997701 has 32 divisors (see below), whose sum is σ = 134369280. Its totient is φ = 50705600.

The previous prime is 87997699. The next prime is 87997709. The reversal of 87997701 is 10779978.

It is not a de Polignac number, because 87997701 - 2¹ = 87997699 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87997709) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 203956 + ... + 204386.

It is an arithmetic number, because the mean of its divisors is an integer number (4199040).

Almost surely, 2^87997701 is an apocalyptic number.

It is an amenable number.

87997701 is a deficient number, since it is larger than the sum of its proper divisors (46371579).

87997701 is a wasteful number, since it uses less digits than its factorization.

87997701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 737.

The product of its (nonzero) digits is 222264, while the sum is 48.

The square root of 87997701 is about 9380.7089817348. The cubic root of 87997701 is about 444.7921446481.

The spelling of 87997701 in words is "eighty-seven million, nine hundred ninety-seven thousand, seven hundred one".