8025378499 has 8 divisors (see below), whose sum is σ = 8223092640. Its totient is φ = 7827758400.

The previous prime is 8025378469. The next prime is 8025378503. The reversal of 8025378499 is 9948735208.

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

It is a cyclic number.

It is not a de Polignac number, because 8025378499 - 2¹³ = 8025370307 is a prime.

It is a super-2 number, since 2×8025378499² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8025378409) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 168282 + ... + 210640.

It is an arithmetic number, because the mean of its divisors is an integer number (1027886580).

Almost surely, 2^8025378499 is an apocalyptic number.

8025378499 is a deficient number, since it is larger than the sum of its proper divisors (197714141).

8025378499 is a wasteful number, since it uses less digits than its factorization.

8025378499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47021.

The product of its (nonzero) digits is 4354560, while the sum is 55.

The square root of 8025378499 is about 89584.4768863445. The cubic root of 8025378499 is about 2002.1126425017.

The spelling of 8025378499 in words is "eight billion, twenty-five million, three hundred seventy-eight thousand, four hundred ninety-nine".