127793551972 has 48 divisors (see below), whose sum is σ = 226716336000. Its totient is φ = 63023650560.

The previous prime is 127793551969. The next prime is 127793551981. The reversal of 127793551972 is 279155397721.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 167928072 + ... + 167928832.

It is an arithmetic number, because the mean of its divisors is an integer number (4723257000).

Almost surely, 2^127793551972 is an apocalyptic number.

It is an amenable number.

127793551972 is a deficient number, since it is larger than the sum of its proper divisors (98922784028).

127793551972 is a wasteful number, since it uses less digits than its factorization.

127793551972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2116 (or 2114 counting only the distinct ones).

The product of its digits is 8334900, while the sum is 58.

The spelling of 127793551972 in words is "one hundred twenty-seven billion, seven hundred ninety-three million, five hundred fifty-one thousand, nine hundred seventy-two".