87992241 has 4 divisors (see below), whose sum is σ = 117322992. Its totient is φ = 58661492.

The previous prime is 87992231. The next prime is 87992251. The reversal of 87992241 is 14229978.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (87992231) and next prime (87992251).

It is a cyclic number.

It is not a de Polignac number, because 87992241 - 2⁵ = 87992209 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 87992193 and 87992202.

It is not an unprimeable number, because it can be changed into a prime (87992231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14665371 + ... + 14665376.

It is an arithmetic number, because the mean of its divisors is an integer number (29330748).

Almost surely, 2^87992241 is an apocalyptic number.

It is an amenable number.

87992241 is a deficient number, since it is larger than the sum of its proper divisors (29330751).

87992241 is a wasteful number, since it uses less digits than its factorization.

87992241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29330750.

The product of its digits is 72576, while the sum is 42.

The square root of 87992241 is about 9380.4179544410. The cubic root of 87992241 is about 444.7829451073.

The spelling of 87992241 in words is "eighty-seven million, nine hundred ninety-two thousand, two hundred forty-one".