87713973 has 24 divisors (see below), whose sum is σ = 136481280. Its totient is φ = 54125280.

The previous prime is 87713963. The next prime is 87714031. The reversal of 87713973 is 37931778.

It is not a de Polignac number, because 87713973 - 2⁴ = 87713957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87713903) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 418 + ... + 13251.

It is an arithmetic number, because the mean of its divisors is an integer number (5686720).

Almost surely, 2^87713973 is an apocalyptic number.

It is an amenable number.

87713973 is a deficient number, since it is larger than the sum of its proper divisors (48767307).

87713973 is a wasteful number, since it uses less digits than its factorization.

87713973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13729 (or 13726 counting only the distinct ones).

The product of its digits is 222264, while the sum is 45.

The square root of 87713973 is about 9365.5738211815. The cubic root of 87713973 is about 444.3135872094.

The spelling of 87713973 in words is "eighty-seven million, seven hundred thirteen thousand, nine hundred seventy-three".