6525485978 has 8 divisors (see below), whose sum is σ = 10678068000. Its totient is φ = 2966129980.

The previous prime is 6525485959. The next prime is 6525485983. The reversal of 6525485978 is 8795845256.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 148306478 + ... + 148306521.

It is an arithmetic number, because the mean of its divisors is an integer number (1334758500).

Almost surely, 2^6525485978 is an apocalyptic number.

6525485978 is a deficient number, since it is larger than the sum of its proper divisors (4152582022).

6525485978 is a wasteful number, since it uses less digits than its factorization.

6525485978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296613012.

The product of its digits is 24192000, while the sum is 59.

The square root of 6525485978 is about 80780.4801793106. The cubic root of 6525485978 is about 1868.6915435188.

The spelling of 6525485978 in words is "six billion, five hundred twenty-five million, four hundred eighty-five thousand, nine hundred seventy-eight".