978675127 has 2 divisors, whose sum is σ = 978675128. Its totient is φ = 978675126.

The previous prime is 978675119. The next prime is 978675133. The reversal of 978675127 is 721576879.

It is a strong prime.

It is an emirp because it is prime and its reverse (721576879) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 978675127 - 2³ = 978675119 is a prime.

It is a super-2 number, since 2×978675127² = 1915610008416932258, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (978675107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 489337563 + 489337564.

It is an arithmetic number, because the mean of its divisors is an integer number (489337564).

Almost surely, 2^978675127 is an apocalyptic number.

978675127 is a deficient number, since it is larger than the sum of its proper divisors (1).

978675127 is an equidigital number, since it uses as much as digits as its factorization.

978675127 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1481760, while the sum is 52.

The square root of 978675127 is about 31283.7837705096. The cubic root of 978675127 is about 992.8405739430.

The spelling of 978675127 in words is "nine hundred seventy-eight million, six hundred seventy-five thousand, one hundred twenty-seven".