47077387 has 6 divisors (see below), whose sum is σ = 54763548. Its totient is φ = 40352004.

The previous prime is 47077379. The next prime is 47077397. The reversal of 47077387 is 78377074.

It is not a de Polignac number, because 47077387 - 2³ = 47077379 is a prime.

It is not an unprimeable number, because it can be changed into a prime (47077367) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 480333 + ... + 480430.

It is an arithmetic number, because the mean of its divisors is an integer number (9127258).

Almost surely, 2^47077387 is an apocalyptic number.

47077387 is a deficient number, since it is larger than the sum of its proper divisors (7686161).

47077387 is an equidigital number, since it uses as much as digits as its factorization.

47077387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 960777 (or 960770 counting only the distinct ones).

The product of its (nonzero) digits is 230496, while the sum is 43.

The square root of 47077387 is about 6861.2963060926. The cubic root of 47077387 is about 361.0805676485.

The spelling of 47077387 in words is "forty-seven million, seventy-seven thousand, three hundred eighty-seven".