1063728477 has 32 divisors (see below), whose sum is σ = 1844962560. Its totient is φ = 593015040.

The previous prime is 1063728401. The next prime is 1063728517. The reversal of 1063728477 is 7748273601.

1063728477 is a `hidden beast` number, since 1 + 0 + 637 + 2 + 8 + 4 + 7 + 7 = 666.

It is not a de Polignac number, because 1063728477 - 2⁷ = 1063728349 is a prime.

It is a super-2 number, since 2×1063728477² = 2263036545561479058, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1063720477) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 60888 + ... + 76385.

It is an arithmetic number, because the mean of its divisors is an integer number (57655080).

Almost surely, 2^1063728477 is an apocalyptic number.

It is an amenable number.

1063728477 is a deficient number, since it is larger than the sum of its proper divisors (781234083).

1063728477 is a wasteful number, since it uses less digits than its factorization.

1063728477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137330 (or 137324 counting only the distinct ones).

The product of its (nonzero) digits is 395136, while the sum is 45.

The square root of 1063728477 is about 32614.8505592161. The cubic root of 1063728477 is about 1020.8068961187.

The spelling of 1063728477 in words is "one billion, sixty-three million, seven hundred twenty-eight thousand, four hundred seventy-seven".