8525078429 has 4 divisors (see below), whose sum is σ = 9742946784. Its totient is φ = 7307210076.

The previous prime is 8525078413. The next prime is 8525078431. The reversal of 8525078429 is 9248705258.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 8525078429 - 2⁴ = 8525078413 is a prime.

It is a super-3 number, since 3×8525078429³ (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8525018429) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 608934167 + ... + 608934180.

It is an arithmetic number, because the mean of its divisors is an integer number (2435736696).

Almost surely, 2^8525078429 is an apocalyptic number.

It is an amenable number.

8525078429 is a deficient number, since it is larger than the sum of its proper divisors (1217868355).

8525078429 is a wasteful number, since it uses less digits than its factorization.

8525078429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1217868354.

The product of its (nonzero) digits is 1612800, while the sum is 50.

The square root of 8525078429 is about 92331.3512789670. The cubic root of 8525078429 is about 2042.8326684709.

The spelling of 8525078429 in words is "eight billion, five hundred twenty-five million, seventy-eight thousand, four hundred twenty-nine".