7825479898 has 8 divisors (see below), whose sum is σ = 11741006880. Its totient is φ = 3911810940.

The previous prime is 7825479889. The next prime is 7825479901. The reversal of 7825479898 is 8989745287.

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

It is a super-2 number, since 2×7825479898² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 453928 + ... + 470851.

It is an arithmetic number, because the mean of its divisors is an integer number (1467625860).

Almost surely, 2^7825479898 is an apocalyptic number.

7825479898 is a deficient number, since it is larger than the sum of its proper divisors (3915526982).

7825479898 is a wasteful number, since it uses less digits than its factorization.

7825479898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 929012.

The product of its digits is 81285120, while the sum is 67.

The square root of 7825479898 is about 88461.7425670555. The cubic root of 7825479898 is about 1985.3496031422.

The spelling of 7825479898 in words is "seven billion, eight hundred twenty-five million, four hundred seventy-nine thousand, eight hundred ninety-eight".