87954911 has 4 divisors (see below), whose sum is σ = 95950824. Its totient is φ = 79959000.

The previous prime is 87954901. The next prime is 87954913. The reversal of 87954911 is 11945978.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 87954911 - 2²⁶ = 20846047 is a prime.

It is a Duffinian number.

It is a plaindrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87954913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3997940 + ... + 3997961.

It is an arithmetic number, because the mean of its divisors is an integer number (23987706).

Almost surely, 2^87954911 is an apocalyptic number.

87954911 is a deficient number, since it is larger than the sum of its proper divisors (7995913).

87954911 is a wasteful number, since it uses less digits than its factorization.

87954911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7995912.

The product of its digits is 90720, while the sum is 44.

The square root of 87954911 is about 9378.4279599515. The cubic root of 87954911 is about 444.7200376823.

The spelling of 87954911 in words is "eighty-seven million, nine hundred fifty-four thousand, nine hundred eleven".