7871119272 has 80 divisors (see below), whose sum is σ = 23343303060. Its totient is φ = 2469367296.

The previous prime is 7871119247. The next prime is 7871119301. The reversal of 7871119272 is 2729111787.

It can be written as a sum of positive squares in 2 ways, for example, as 7662201156 + 208918116 = 87534^2 + 14454^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 346243 + ... + 368274.

Almost surely, 2^7871119272 is an apocalyptic number.

7871119272 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

7871119272 is an abundant number, since it is smaller than the sum of its proper divisors (15472183788).

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

7871119272 is a wasteful number, since it uses less digits than its factorization.

7871119272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 714552 (or 714539 counting only the distinct ones).

The product of its digits is 98784, while the sum is 45.

The square root of 7871119272 is about 88719.3286268556. The cubic root of 7871119272 is about 1989.2017430823.

The spelling of 7871119272 in words is "seven billion, eight hundred seventy-one million, one hundred nineteen thousand, two hundred seventy-two".