2047687557 has 16 divisors (see below), whose sum is σ = 2760815232. Its totient is φ = 1349867520.

The previous prime is 2047687549. The next prime is 2047687573. The reversal of 2047687557 is 7557867402.

2047687557 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2047687557 - 2³ = 2047687549 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2047687597) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 437373 + ... + 442029.

It is an arithmetic number, because the mean of its divisors is an integer number (172550952).

Almost surely, 2^2047687557 is an apocalyptic number.

It is an amenable number.

2047687557 is a deficient number, since it is larger than the sum of its proper divisors (713127675).

2047687557 is a wasteful number, since it uses less digits than its factorization.

2047687557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6268.

The product of its (nonzero) digits is 3292800, while the sum is 51.

The square root of 2047687557 is about 45251.3818242051. The cubic root of 2047687557 is about 1269.8562585575.

The spelling of 2047687557 in words is "two billion, forty-seven million, six hundred eighty-seven thousand, five hundred fifty-seven".