842508796251 has 16 divisors (see below), whose sum is σ = 1155729390464. Its totient is φ = 545710042944.

The previous prime is 842508796229. The next prime is 842508796357. The reversal of 842508796251 is 152697805248.

It is not a de Polignac number, because 842508796251 - 2¹⁴ = 842508779867 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 842508796191 and 842508796200.

It is not an unprimeable number, because it can be changed into a prime (842508796651) 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, 28694821 + ... + 28724166.

It is an arithmetic number, because the mean of its divisors is an integer number (72233086904).

Almost surely, 2^842508796251 is an apocalyptic number.

842508796251 is a deficient number, since it is larger than the sum of its proper divisors (313220594213).

842508796251 is a wasteful number, since it uses less digits than its factorization.

842508796251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57419130.

The product of its (nonzero) digits is 9676800, while the sum is 57.

The spelling of 842508796251 in words is "eight hundred forty-two billion, five hundred eight million, seven hundred ninety-six thousand, two hundred fifty-one".