87755157 has 80 divisors (see below), whose sum is σ = 158906880. Its totient is φ = 47215872.

The previous prime is 87755123. The next prime is 87755159. The reversal of 87755157 is 75155778.

It is not a de Polignac number, because 87755157 - 2¹⁰ = 87754133 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87755159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 985969 + ... + 986057.

It is an arithmetic number, because the mean of its divisors is an integer number (1986336).

Almost surely, 2^87755157 is an apocalyptic number.

It is an amenable number.

87755157 is a deficient number, since it is larger than the sum of its proper divisors (71151723).

87755157 is a wasteful number, since it uses less digits than its factorization.

87755157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192 (or 183 counting only the distinct ones).

The product of its digits is 343000, while the sum is 45.

The square root of 87755157 is about 9367.7722538499. The cubic root of 87755157 is about 444.3831152713.

The spelling of 87755157 in words is "eighty-seven million, seven hundred fifty-five thousand, one hundred fifty-seven".