79285500 has 192 divisors, whose sum is σ = 293529600. Its totient is φ = 18100800.

The previous prime is 79285489. The next prime is 79285529. The reversal of 79285500 is 558297.

79285500 is a `hidden beast` number, since 79 + 2 + 85 + 500 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 94081 + ... + 94919.

It is an arithmetic number, because the mean of its divisors is an integer number (1528800).

Almost surely, 2^79285500 is an apocalyptic number.

79285500 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 79285500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (146764800).

79285500 is an abundant number, since it is smaller than the sum of its proper divisors (214244100).

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

79285500 is a wasteful number, since it uses less digits than its factorization.

79285500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 874 (or 856 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 36.

The square root of 79285500 is about 8904.2405627880. The cubic root of 79285500 is about 429.6003136604.

The spelling of 79285500 in words is "seventy-nine million, two hundred eighty-five thousand, five hundred".