47129377 has 8 divisors (see below), whose sum is σ = 49099680. Its totient is φ = 45198240.

The previous prime is 47129371. The next prime is 47129417. The reversal of 47129377 is 77392174.

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 47129377 - 2¹¹ = 47127329 is a prime.

It is a super-3 number, since 3×47129377³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47129371) 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, 7323 + ... + 12160.

It is an arithmetic number, because the mean of its divisors is an integer number (6137460).

Almost surely, 2^47129377 is an apocalyptic number.

It is an amenable number.

47129377 is a deficient number, since it is larger than the sum of its proper divisors (1970303).

47129377 is a wasteful number, since it uses less digits than its factorization.

47129377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19583.

The product of its digits is 74088, while the sum is 40.

The square root of 47129377 is about 6865.0839033474. The cubic root of 47129377 is about 361.2134387475.

The spelling of 47129377 in words is "forty-seven million, one hundred twenty-nine thousand, three hundred seventy-seven".