985157760 has 64 divisors (see below), whose sum is σ = 3140196480. Its totient is φ = 262708224.

The previous prime is 985157743. The next prime is 985157783. The reversal of 985157760 is 67751589.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 254632 + ... + 258471.

It is an arithmetic number, because the mean of its divisors is an integer number (49065570).

Almost surely, 2^985157760 is an apocalyptic number.

It is an amenable number.

985157760 is an abundant number, since it is smaller than the sum of its proper divisors (2155038720).

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

985157760 is a wasteful number, since it uses less digits than its factorization.

985157760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 513125 (or 513113 counting only the distinct ones).

The product of its (nonzero) digits is 529200, while the sum is 48.

The square root of 985157760 is about 31387.2228781076. Note that the first 3 decimals coincide. The cubic root of 985157760 is about 995.0279059200.

The spelling of 985157760 in words is "nine hundred eighty-five million, one hundred fifty-seven thousand, seven hundred sixty".