47909158 has 8 divisors (see below), whose sum is σ = 78396840. Its totient is φ = 21776880.

The previous prime is 47909137. The next prime is 47909201. The reversal of 47909158 is 85190974.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1088823 + ... + 1088866.

It is an arithmetic number, because the mean of its divisors is an integer number (9799605).

Almost surely, 2^47909158 is an apocalyptic number.

47909158 is a deficient number, since it is larger than the sum of its proper divisors (30487682).

47909158 is a wasteful number, since it uses less digits than its factorization.

47909158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2177702.

The product of its (nonzero) digits is 90720, while the sum is 43.

The square root of 47909158 is about 6921.6441688373. The cubic root of 47909158 is about 363.1947086872.

The spelling of 47909158 in words is "forty-seven million, nine hundred nine thousand, one hundred fifty-eight".