988277385 has 32 divisors (see below), whose sum is σ = 1632977280. Its totient is φ = 510064128.

The previous prime is 988277377. The next prime is 988277387. The reversal of 988277385 is 583772889.

It is a happy number.

It is not a de Polignac number, because 988277385 - 2³ = 988277377 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (988277387) 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, 63277 + ... + 77333.

It is an arithmetic number, because the mean of its divisors is an integer number (51030540).

Almost surely, 2^988277385 is an apocalyptic number.

It is an amenable number.

988277385 is a deficient number, since it is larger than the sum of its proper divisors (644699895).

988277385 is a wasteful number, since it uses less digits than its factorization.

988277385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14217.

The product of its digits is 6773760, while the sum is 57.

The square root of 988277385 is about 31436.8793775718. The cubic root of 988277385 is about 996.0770925876.

The spelling of 988277385 in words is "nine hundred eighty-eight million, two hundred seventy-seven thousand, three hundred eighty-five".