988009057 has 8 divisors (see below), whose sum is σ = 1129533632. Its totient is φ = 846579600.

The previous prime is 988009049. The next prime is 988009067. The reversal of 988009057 is 750900889.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 988009057 - 2³ = 988009049 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 988008998 and 988009016.

It is not an unprimeable number, because it can be changed into a prime (988009037) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82 + ... + 44452.

It is an arithmetic number, because the mean of its divisors is an integer number (141191704).

Almost surely, 2^988009057 is an apocalyptic number.

It is an amenable number.

988009057 is a deficient number, since it is larger than the sum of its proper divisors (141524575).

988009057 is a wasteful number, since it uses less digits than its factorization.

988009057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47559.

The product of its (nonzero) digits is 181440, while the sum is 46.

The square root of 988009057 is about 31432.6113614507. The cubic root of 988009057 is about 995.9869358592.

The spelling of 988009057 in words is "nine hundred eighty-eight million, nine thousand, fifty-seven".