87764853 has 16 divisors (see below), whose sum is σ = 128088576. Its totient is φ = 53011440.

The previous prime is 87764837. The next prime is 87764861. The reversal of 87764853 is 35846778.

It is not a de Polignac number, because 87764853 - 2⁴ = 87764837 is a prime.

It is a super-2 number, since 2×87764853² = 15405338844223218, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87764653) 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 15 ways as a sum of consecutive naturals, for example, 5800 + ... + 14462.

It is an arithmetic number, because the mean of its divisors is an integer number (8005536).

Almost surely, 2^87764853 is an apocalyptic number.

It is an amenable number.

87764853 is a deficient number, since it is larger than the sum of its proper divisors (40323723).

87764853 is a wasteful number, since it uses less digits than its factorization.

87764853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8984.

The product of its digits is 1128960, while the sum is 48.

The square root of 87764853 is about 9368.2897585418. The cubic root of 87764853 is about 444.3994811851.

The spelling of 87764853 in words is "eighty-seven million, seven hundred sixty-four thousand, eight hundred fifty-three".