87261694 has 32 divisors (see below), whose sum is σ = 145918080. Its totient is φ = 38880000.

The previous prime is 87261679. The next prime is 87261709. The reversal of 87261694 is 49616278.

It is an interprime number because it is at equal distance from previous prime (87261679) and next prime (87261709).

It is a super-2 number, since 2×87261694² = 15229206479499272, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 87261694.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 115819 + ... + 116569.

It is an arithmetic number, because the mean of its divisors is an integer number (4559940).

Almost surely, 2^87261694 is an apocalyptic number.

87261694 is a deficient number, since it is larger than the sum of its proper divisors (58656386).

87261694 is a wasteful number, since it uses less digits than its factorization.

87261694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 916.

The product of its digits is 145152, while the sum is 43.

The square root of 87261694 is about 9341.3967906304. The cubic root of 87261694 is about 443.5486004274.

The spelling of 87261694 in words is "eighty-seven million, two hundred sixty-one thousand, six hundred ninety-four".