978525879 has 8 divisors (see below), whose sum is σ = 1305039600. Its totient is φ = 652181376.

The previous prime is 978525871. The next prime is 978525913.

978525879 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 978525879 - 2³ = 978525871 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (978525871) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28132 + ... + 52425.

It is an arithmetic number, because the mean of its divisors is an integer number (163129950).

Almost surely, 2^978525879 is an apocalyptic number.

978525879 is a deficient number, since it is larger than the sum of its proper divisors (326513721).

978525879 is a wasteful number, since it uses less digits than its factorization.

978525879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84609.

The product of its digits is 12700800, while the sum is 60.

The square root of 978525879 is about 31281.3982903578. The cubic root of 978525879 is about 992.7901019668.

The spelling of 978525879 in words is "nine hundred seventy-eight million, five hundred twenty-five thousand, eight hundred seventy-nine".