973567887 has 4 divisors (see below), whose sum is σ = 1298090520. Its totient is φ = 649045256.

The previous prime is 973567879. The next prime is 973567891. The reversal of 973567887 is 788765379.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 788765379 = 3 ⋅262921793.

It is a cyclic number.

It is not a de Polignac number, because 973567887 - 2³ = 973567879 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 973567887.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (973567807) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 162261312 + ... + 162261317.

It is an arithmetic number, because the mean of its divisors is an integer number (324522630).

Almost surely, 2^973567887 is an apocalyptic number.

973567887 is a deficient number, since it is larger than the sum of its proper divisors (324522633).

973567887 is a wasteful number, since it uses less digits than its factorization.

973567887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324522632.

The product of its digits is 17781120, while the sum is 60.

The square root of 973567887 is about 31202.0494038453. The cubic root of 973567887 is about 991.1105067346.

The spelling of 973567887 in words is "nine hundred seventy-three million, five hundred sixty-seven thousand, eight hundred eighty-seven".