127877902540 has 24 divisors (see below), whose sum is σ = 269492524560. Its totient is φ = 50970412608.

The previous prime is 127877902519. The next prime is 127877902541. The reversal of 127877902540 is 45209778721.

It is not an unprimeable number, because it can be changed into a prime (127877902541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11290975 + ... + 11302294.

It is an arithmetic number, because the mean of its divisors is an integer number (11228855190).

Almost surely, 2^127877902540 is an apocalyptic number.

127877902540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

127877902540 is an abundant number, since it is smaller than the sum of its proper divisors (141614622020).

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

127877902540 is a wasteful number, since it uses less digits than its factorization.

127877902540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22593561 (or 22593559 counting only the distinct ones).

The product of its (nonzero) digits is 1975680, while the sum is 52.

The spelling of 127877902540 in words is "one hundred twenty-seven billion, eight hundred seventy-seven million, nine hundred two thousand, five hundred forty".