988263768 has 32 divisors (see below), whose sum is σ = 2505461760. Its totient is φ = 324780960.

The previous prime is 988263751. The next prime is 988263799. The reversal of 988263768 is 867362889.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 288280 + ... + 291687.

It is an arithmetic number, because the mean of its divisors is an integer number (78295680).

Almost surely, 2^988263768 is an apocalyptic number.

It is an amenable number.

988263768 is an abundant number, since it is smaller than the sum of its proper divisors (1517197992).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

988263768 is a wasteful number, since it uses less digits than its factorization.

988263768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 580047 (or 580043 counting only the distinct ones).

The product of its digits is 6967296, while the sum is 57.

The square root of 988263768 is about 31436.6627999856. The cubic root of 988263768 is about 996.0725177438.

The spelling of 988263768 in words is "nine hundred eighty-eight million, two hundred sixty-three thousand, seven hundred sixty-eight".