127915797 has 16 divisors (see below), whose sum is σ = 174497792. Its totient is φ = 83326320.

The previous prime is 127915789. The next prime is 127915819. The reversal of 127915797 is 797519721.

It is not a de Polignac number, because 127915797 - 2³ = 127915789 is a prime.

It is a super-2 number, since 2×127915797² = 32724902244290418, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (127915757) 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, 23022 + ... + 28032.

It is an arithmetic number, because the mean of its divisors is an integer number (10906112).

Almost surely, 2^127915797 is an apocalyptic number.

It is an amenable number.

127915797 is a deficient number, since it is larger than the sum of its proper divisors (46581995).

127915797 is a wasteful number, since it uses less digits than its factorization.

127915797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5208.

The product of its digits is 277830, while the sum is 48.

The square root of 127915797 is about 11309.9866047666. The cubic root of 127915797 is about 503.8578862040.

The spelling of 127915797 in words is "one hundred twenty-seven million, nine hundred fifteen thousand, seven hundred ninety-seven".