47378111 has 8 divisors (see below), whose sum is σ = 51739344. Its totient is φ = 43025920.

The previous prime is 47378101. The next prime is 47378129. The reversal of 47378111 is 11187374.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 47378111 - 2¹⁸ = 47115967 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 (47378101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13535 + ... + 16671.

It is an arithmetic number, because the mean of its divisors is an integer number (6467418).

Almost surely, 2^47378111 is an apocalyptic number.

47378111 is a deficient number, since it is larger than the sum of its proper divisors (4361233).

47378111 is a wasteful number, since it uses less digits than its factorization.

47378111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4521.

The product of its digits is 4704, while the sum is 32.

The square root of 47378111 is about 6883.1759384749. The cubic root of 47378111 is about 361.8477810003.

The spelling of 47378111 in words is "forty-seven million, three hundred seventy-eight thousand, one hundred eleven".