8451078228857 has 16 divisors (see below), whose sum is σ = 9337400954880. Its totient is φ = 7584457280400.

The previous prime is 8451078228833. The next prime is 8451078228889. The reversal of 8451078228857 is 7588228701548.

It is not a de Polignac number, because 8451078228857 - 2⁶ = 8451078228793 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8451078228793 and 8451078228802.

It is not an unprimeable number, because it can be changed into a prime (8451078228157) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5379638 + ... + 6770720.

It is an arithmetic number, because the mean of its divisors is an integer number (583587559680).

Almost surely, 2^{8451078228857} is an apocalyptic number.

It is an amenable number.

8451078228857 is a deficient number, since it is larger than the sum of its proper divisors (886322726023).

8451078228857 is a wasteful number, since it uses less digits than its factorization.

8451078228857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1398164.

The product of its (nonzero) digits is 80281600, while the sum is 65.

The spelling of 8451078228857 in words is "eight trillion, four hundred fifty-one billion, seventy-eight million, two hundred twenty-eight thousand, eight hundred fifty-seven".