7825479499 has 2 divisors, whose sum is σ = 7825479500. Its totient is φ = 7825479498.

The previous prime is 7825479481. The next prime is 7825479547. The reversal of 7825479499 is 9949745287.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 7825479499 - 2¹⁵ = 7825446731 is a prime.

It is a super-2 number, since 2×7825479499² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 7825479499.

It is not a weakly prime, because it can be changed into another prime (7825479419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3912739749 + 3912739750.

It is an arithmetic number, because the mean of its divisors is an integer number (3912739750).

Almost surely, 2^7825479499 is an apocalyptic number.

7825479499 is a deficient number, since it is larger than the sum of its proper divisors (1).

7825479499 is an equidigital number, since it uses as much as digits as its factorization.

7825479499 is an evil number, because the sum of its binary digits is even.

The product of its digits is 45722880, while the sum is 64.

The square root of 7825479499 is about 88461.7403118433. The cubic root of 7825479499 is about 1985.3495693997.

It can be divided in two parts, 782 and 5479499, that added together give a square (5480281 = 2341²).

The spelling of 7825479499 in words is "seven billion, eight hundred twenty-five million, four hundred seventy-nine thousand, four hundred ninety-nine".