87261710 has 16 divisors (see below), whose sum is σ = 158540976. Its totient is φ = 34578048.

The previous prime is 87261709. The next prime is 87261743. The reversal of 87261710 is 1716278.

It is a super-2 number, since 2×87261710² = 15229212064248200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 39707 + ... + 41846.

It is an arithmetic number, because the mean of its divisors is an integer number (9908811).

Almost surely, 2^87261710 is an apocalyptic number.

87261710 is a deficient number, since it is larger than the sum of its proper divisors (71279266).

87261710 is a wasteful number, since it uses less digits than its factorization.

87261710 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81667.

The product of its (nonzero) digits is 4704, while the sum is 32.

The square root of 87261710 is about 9341.3976470333. The cubic root of 87261710 is about 443.5486275366.

Adding to 87261710 its reverse (1716278), we get a palindrome (88977988).

The spelling of 87261710 in words is "eighty-seven million, two hundred sixty-one thousand, seven hundred ten".