127016509772 has 6 divisors (see below), whose sum is σ = 222278892108. Its totient is φ = 63508254884.

The previous prime is 127016509771. The next prime is 127016509811. The reversal of 127016509772 is 277905610721.

It is a super-2 number, since 2×127016509772² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (127016509771) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15877063718 + ... + 15877063725.

It is an arithmetic number, because the mean of its divisors is an integer number (37046482018).

Almost surely, 2^127016509772 is an apocalyptic number.

It is an amenable number.

127016509772 is a deficient number, since it is larger than the sum of its proper divisors (95262382336).

127016509772 is a wasteful number, since it uses less digits than its factorization.

127016509772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31754127447 (or 31754127445 counting only the distinct ones).

The product of its (nonzero) digits is 370440, while the sum is 47.

The spelling of 127016509772 in words is "one hundred twenty-seven billion, sixteen million, five hundred nine thousand, seven hundred seventy-two".