87307983 has 64 divisors (see below), whose sum is σ = 159667200. Its totient is φ = 46033920.

The previous prime is 87307967. The next prime is 87307991. The reversal of 87307983 is 38970378.

It is not a de Polignac number, because 87307983 - 2⁴ = 87307967 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87307933) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 146935 + ... + 147527.

It is an arithmetic number, because the mean of its divisors is an integer number (2494800).

Almost surely, 2^87307983 is an apocalyptic number.

87307983 is a deficient number, since it is larger than the sum of its proper divisors (72359217).

87307983 is a wasteful number, since it uses less digits than its factorization.

87307983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 669 (or 663 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 45.

The square root of 87307983 is about 9343.8740894770. The cubic root of 87307983 is about 443.6270151014.

The spelling of 87307983 in words is "eighty-seven million, three hundred seven thousand, nine hundred eighty-three".