87156753 has 16 divisors (see below), whose sum is σ = 119562240. Its totient is φ = 56446416.

The previous prime is 87156733. The next prime is 87156757. The reversal of 87156753 is 35765178.

It is not a de Polignac number, because 87156753 - 2⁹ = 87156241 is a prime.

It is not an unprimeable number, because it can be changed into a prime (87156757) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17376 + ... + 21822.

It is an arithmetic number, because the mean of its divisors is an integer number (7472640).

Almost surely, 2^87156753 is an apocalyptic number.

It is an amenable number.

87156753 is a deficient number, since it is larger than the sum of its proper divisors (32405487).

87156753 is a wasteful number, since it uses less digits than its factorization.

87156753 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4636.

The product of its digits is 176400, while the sum is 42.

The square root of 87156753 is about 9335.7781143298. The cubic root of 87156753 is about 443.3707251080.

The spelling of 87156753 in words is "eighty-seven million, one hundred fifty-six thousand, seven hundred fifty-three".