8553938477 has 12 divisors (see below), whose sum is σ = 10162215360. Its totient is φ = 7175946456.

The previous prime is 8553938431. The next prime is 8553938483. The reversal of 8553938477 is 7748393558.

It is a happy number.

It is not a de Polignac number, because 8553938477 - 2²⁴ = 8537161261 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 (8553938077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1854827 + ... + 1859432.

It is an arithmetic number, because the mean of its divisors is an integer number (846851280).

Almost surely, 2^8553938477 is an apocalyptic number.

It is an amenable number.

8553938477 is a deficient number, since it is larger than the sum of its proper divisors (1608276883).

8553938477 is a wasteful number, since it uses less digits than its factorization.

8553938477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3714320 (or 3714313 counting only the distinct ones).

The product of its digits is 25401600, while the sum is 59.

The square root of 8553938477 is about 92487.5044370860. The cubic root of 8553938477 is about 2045.1352805337.

The spelling of 8553938477 in words is "eight billion, five hundred fifty-three million, nine hundred thirty-eight thousand, four hundred seventy-seven".