47771401 has 4 divisors (see below), whose sum is σ = 47785600. Its totient is φ = 47757204.

The previous prime is 47771393. The next prime is 47771413. The reversal of 47771401 is 10417774.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 10417774 = 2 ⋅5208887.

It is a cyclic number.

It is not a de Polignac number, because 47771401 - 2³ = 47771393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47771501) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1120 + ... + 9838.

It is an arithmetic number, because the mean of its divisors is an integer number (11946400).

Almost surely, 2^47771401 is an apocalyptic number.

It is an amenable number.

47771401 is a deficient number, since it is larger than the sum of its proper divisors (14199).

47771401 is an equidigital number, since it uses as much as digits as its factorization.

47771401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14198.

The product of its (nonzero) digits is 5488, while the sum is 31.

The square root of 47771401 is about 6911.6858290869. The cubic root of 47771401 is about 362.8462669935.

The spelling of 47771401 in words is "forty-seven million, seven hundred seventy-one thousand, four hundred one".