947725798278 has 24 divisors (see below), whose sum is σ = 2204913082392. Its totient is φ = 270778799424.

The previous prime is 947725798267. The next prime is 947725798291. The reversal of 947725798278 is 872897527749.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1611778275 + ... + 1611778862.

It is an arithmetic number, because the mean of its divisors is an integer number (91871378433).

Almost surely, 2^947725798278 is an apocalyptic number.

947725798278 is a gapful number since it is divisible by the number (98) formed by its first and last digit.

947725798278 is an abundant number, since it is smaller than the sum of its proper divisors (1257187284114).

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

947725798278 is a wasteful number, since it uses less digits than its factorization.

947725798278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3223557156 (or 3223557149 counting only the distinct ones).

The product of its digits is 995742720, while the sum is 75.

The spelling of 947725798278 in words is "nine hundred forty-seven billion, seven hundred twenty-five million, seven hundred ninety-eight thousand, two hundred seventy-eight".