47007855 has 12 divisors (see below), whose sum is σ = 81480360. Its totient is φ = 25070832.

The previous prime is 47007847. The next prime is 47007889. The reversal of 47007855 is 55870074.

It is not a de Polignac number, because 47007855 - 2³ = 47007847 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 522265 + ... + 522354.

It is an arithmetic number, because the mean of its divisors is an integer number (6790030).

Almost surely, 2^47007855 is an apocalyptic number.

47007855 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

47007855 is a deficient number, since it is larger than the sum of its proper divisors (34472505).

47007855 is a wasteful number, since it uses less digits than its factorization.

47007855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1044630 (or 1044627 counting only the distinct ones).

The product of its (nonzero) digits is 39200, while the sum is 36.

The square root of 47007855 is about 6856.2274612209. The cubic root of 47007855 is about 360.9027113825.

The spelling of 47007855 in words is "forty-seven million, seven thousand, eight hundred fifty-five".