87761246 has 4 divisors (see below), whose sum is σ = 131641872. Its totient is φ = 43880622.

The previous prime is 87761243. The next prime is 87761251. The reversal of 87761246 is 64216778.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87761243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21940310 + ... + 21940313.

It is an arithmetic number, because the mean of its divisors is an integer number (32910468).

Almost surely, 2^87761246 is an apocalyptic number.

87761246 is a deficient number, since it is larger than the sum of its proper divisors (43880626).

87761246 is a wasteful number, since it uses less digits than its factorization.

87761246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43880625.

The product of its digits is 112896, while the sum is 41.

The square root of 87761246 is about 9368.0972454389. The cubic root of 87761246 is about 444.3933930575.

The spelling of 87761246 in words is "eighty-seven million, seven hundred sixty-one thousand, two hundred forty-six".