47446087 has 4 divisors (see below), whose sum is σ = 51095800. Its totient is φ = 43796376.

The previous prime is 47445991. The next prime is 47446111. The reversal of 47446087 is 78064474.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 78064474 = 2 ⋅39032237.

It is not a de Polignac number, because 47446087 - 2¹⁵ = 47413319 is a prime.

It is a super-2 number, since 2×47446087² = 4502262343223138, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47446687) 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, 1824837 + ... + 1824862.

It is an arithmetic number, because the mean of its divisors is an integer number (12773950).

Almost surely, 2^47446087 is an apocalyptic number.

47446087 is a deficient number, since it is larger than the sum of its proper divisors (3649713).

47446087 is a wasteful number, since it uses less digits than its factorization.

47446087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3649712.

The product of its (nonzero) digits is 150528, while the sum is 40.

The square root of 47446087 is about 6888.1120054773. The cubic root of 47446087 is about 362.0207526538.

The spelling of 47446087 in words is "forty-seven million, four hundred forty-six thousand, eighty-seven".