47782377 has 12 divisors (see below), whose sum is σ = 71245824. Its totient is φ = 30827160.

The previous prime is 47782367. The next prime is 47782379. The reversal of 47782377 is 77328774.

It is not a de Polignac number, because 47782377 - 2¹⁵ = 47749609 is a prime.

It is not an unprimeable number, because it can be changed into a prime (47782379) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 85353 + ... + 85910.

It is an arithmetic number, because the mean of its divisors is an integer number (5937152).

Almost surely, 2^47782377 is an apocalyptic number.

It is an amenable number.

47782377 is a deficient number, since it is larger than the sum of its proper divisors (23463447).

47782377 is a wasteful number, since it uses less digits than its factorization.

47782377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171300 (or 171297 counting only the distinct ones).

The product of its digits is 460992, while the sum is 45.

The square root of 47782377 is about 6912.4798010555. The cubic root of 47782377 is about 362.8740541602.

The spelling of 47782377 in words is "forty-seven million, seven hundred eighty-two thousand, three hundred seventy-seven".