159977484 has 96 divisors (see below), whose sum is σ = 434810880. Its totient is φ = 50803200.

The previous prime is 159977431. The next prime is 159977509. The reversal of 159977484 is 484779951.

159977484 is a `hidden beast` number, since 1 + 5 + 99 + 77 + 484 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 159977484.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 237372 + ... + 238044.

It is an arithmetic number, because the mean of its divisors is an integer number (4529280).

Almost surely, 2^159977484 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 159977484, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (217405440).

159977484 is an abundant number, since it is smaller than the sum of its proper divisors (274833396).

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

159977484 is a wasteful number, since it uses less digits than its factorization.

159977484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 788 (or 780 counting only the distinct ones).

The product of its digits is 2540160, while the sum is 54.

The square root of 159977484 is about 12648.2205863117. The cubic root of 159977484 is about 542.8580563631.

It can be divided in two parts, 159977 and 484, that added together give a triangular number (160461 = T₅₆₆).

The spelling of 159977484 in words is "one hundred fifty-nine million, nine hundred seventy-seven thousand, four hundred eighty-four".