47787503439 has 64 divisors (see below), whose sum is σ = 72904122368. Its totient is φ = 27629683200.

The previous prime is 47787503429. The next prime is 47787503461. The reversal of 47787503439 is 93430578774.

It is a happy number.

It is not a de Polignac number, because 47787503439 - 2²¹ = 47785406287 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 (47787503419) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 28225677 + ... + 28227369.

It is an arithmetic number, because the mean of its divisors is an integer number (1139126912).

Almost surely, 2^47787503439 is an apocalyptic number.

47787503439 is a deficient number, since it is larger than the sum of its proper divisors (25116618929).

47787503439 is a wasteful number, since it uses less digits than its factorization.

47787503439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2408.

The product of its (nonzero) digits is 17781120, while the sum is 57.

The spelling of 47787503439 in words is "forty-seven billion, seven hundred eighty-seven million, five hundred three thousand, four hundred thirty-nine".