47452087 has 4 divisors (see below), whose sum is σ = 47467336. Its totient is φ = 47436840.

The previous prime is 47452079. The next prime is 47452121. The reversal of 47452087 is 78025474.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 78025474 = 2 ⋅39012737.

It is a cyclic number.

It is not a de Polignac number, because 47452087 - 2³ = 47452079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47452007) 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, 1089 + ... + 9802.

It is an arithmetic number, because the mean of its divisors is an integer number (11866834).

Almost surely, 2^47452087 is an apocalyptic number.

47452087 is the 4357-th heptagonal number.

47452087 is a deficient number, since it is larger than the sum of its proper divisors (15249).

47452087 is a wasteful number, since it uses less digits than its factorization.

47452087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15248.

The product of its (nonzero) digits is 62720, while the sum is 37.

The square root of 47452087 is about 6888.5475246963. The cubic root of 47452087 is about 362.0360123102.

The spelling of 47452087 in words is "forty-seven million, four hundred fifty-two thousand, eighty-seven".