275127764280 has 64 divisors (see below), whose sum is σ = 825509059200. Its totient is φ = 73356224640.

The previous prime is 275127764273. The next prime is 275127764287. The reversal of 275127764280 is 82467721572.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (275127764273) and next prime (275127764287).

It is a super-2 number, since 2×275127764280² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (275127764287) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 631591 + ... + 974249.

It is an arithmetic number, because the mean of its divisors is an integer number (12898579050).

Almost surely, 2^275127764280 is an apocalyptic number.

275127764280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

275127764280 is an abundant number, since it is smaller than the sum of its proper divisors (550381294920).

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

275127764280 is a wasteful number, since it uses less digits than its factorization.

275127764280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349364 (or 349360 counting only the distinct ones).

The product of its (nonzero) digits is 2634240, while the sum is 51.

The spelling of 275127764280 in words is "two hundred seventy-five billion, one hundred twenty-seven million, seven hundred sixty-four thousand, two hundred eighty".