8457225407 has 4 divisors (see below), whose sum is σ = 8497307256. Its totient is φ = 8417143560.

The previous prime is 8457225401. The next prime is 8457225443. The reversal of 8457225407 is 7045227548.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 8457225407 - 2⁴ = 8457225391 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8457225401) 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, 20040608 + ... + 20041029.

It is an arithmetic number, because the mean of its divisors is an integer number (2124326814).

Almost surely, 2^8457225407 is an apocalyptic number.

8457225407 is a deficient number, since it is larger than the sum of its proper divisors (40081849).

8457225407 is a wasteful number, since it uses less digits than its factorization.

8457225407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40081848.

The product of its (nonzero) digits is 627200, while the sum is 44.

The square root of 8457225407 is about 91963.1741894548. The cubic root of 8457225407 is about 2037.3984367908.

The spelling of 8457225407 in words is "eight billion, four hundred fifty-seven million, two hundred twenty-five thousand, four hundred seven".