860278272 has 320 divisors, whose sum is σ = 2828390400. Its totient is φ = 227082240.

The previous prime is 860278261. The next prime is 860278283. The reversal of 860278272 is 272872068.

It is an interprime number because it is at equal distance from previous prime (860278261) and next prime (860278283).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

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, 9666004 + ... + 9666092.

It is an arithmetic number, because the mean of its divisors is an integer number (8838720).

Almost surely, 2^860278272 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 860278272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1414195200).

860278272 is an abundant number, since it is smaller than the sum of its proper divisors (1968112128).

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

860278272 is a wasteful number, since it uses less digits than its factorization.

860278272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177 (or 161 counting only the distinct ones).

The product of its (nonzero) digits is 150528, while the sum is 42.

The square root of 860278272 is about 29330.5007117165. The cubic root of 860278272 is about 951.0710992054.

The spelling of 860278272 in words is "eight hundred sixty million, two hundred seventy-eight thousand, two hundred seventy-two".