87248766 has 16 divisors (see below), whose sum is σ = 190361088. Its totient is φ = 26439000.

The previous prime is 87248719. The next prime is 87248767. The reversal of 87248766 is 66784278.

It is a super-2 number, since 2×87248766² = 15224694337045512, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87248767) 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 7 ways as a sum of consecutive naturals, for example, 660910 + ... + 661041.

It is an arithmetic number, because the mean of its divisors is an integer number (11897568).

Almost surely, 2^87248766 is an apocalyptic number.

87248766 is an abundant number, since it is smaller than the sum of its proper divisors (103112322).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

87248766 is a wasteful number, since it uses less digits than its factorization.

87248766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1321967.

The product of its digits is 903168, while the sum is 48.

The square root of 87248766 is about 9340.7047913956. The cubic root of 87248766 is about 443.5266951322.

The spelling of 87248766 in words is "eighty-seven million, two hundred forty-eight thousand, seven hundred sixty-six".