87261950 has 12 divisors (see below), whose sum is σ = 162307320. Its totient is φ = 34904760.

The previous prime is 87261943. The next prime is 87261959. The reversal of 87261950 is 5916278.

It is a super-2 number, since 2×87261950² = 15229295835605000, which contains 22 as substring.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87261959) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 872570 + ... + 872669.

It is an arithmetic number, because the mean of its divisors is an integer number (13525610).

Almost surely, 2^87261950 is an apocalyptic number.

87261950 is a deficient number, since it is larger than the sum of its proper divisors (75045370).

87261950 is a wasteful number, since it uses less digits than its factorization.

87261950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1745251 (or 1745246 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 38.

The square root of 87261950 is about 9341.4104930679. The cubic root of 87261950 is about 443.5490341738.

The spelling of 87261950 in words is "eighty-seven million, two hundred sixty-one thousand, nine hundred fifty".