127837645700072 has 32 divisors (see below), whose sum is σ = 298841249689920. Its totient is φ = 49806874947840.

The previous prime is 127837645700053. The next prime is 127837645700113. The reversal of 127837645700072 is 270007546738721.

It is a super-2 number, since 2×127837645700072² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 127837645699984 and 127837645700020.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103764322193 + ... + 103764323424.

It is an arithmetic number, because the mean of its divisors is an integer number (9338789052810).

Almost surely, 2^{127837645700072} is an apocalyptic number.

It is an amenable number.

127837645700072 is an abundant number, since it is smaller than the sum of its proper divisors (171003603989848).

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

127837645700072 is a wasteful number, since it uses less digits than its factorization.

127837645700072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207528645641 (or 207528645637 counting only the distinct ones).

The product of its (nonzero) digits is 27659520, while the sum is 59.

The spelling of 127837645700072 in words is "one hundred twenty-seven trillion, eight hundred thirty-seven billion, six hundred forty-five million, seven hundred thousand, seventy-two".