897440158862 has 24 divisors (see below), whose sum is σ = 1457755602264. Its totient is φ = 414180665184.

The previous prime is 897440158847. The next prime is 897440158871. The reversal of 897440158862 is 268851044798.

It is a junction number, because it is equal to n+sod(n) for n = 897440158795 and 897440158804.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 7267628 + ... + 7390080.

It is an arithmetic number, because the mean of its divisors is an integer number (60739816761).

Almost surely, 2^897440158862 is an apocalyptic number.

897440158862 is a deficient number, since it is larger than the sum of its proper divisors (560315443402).

897440158862 is a wasteful number, since it uses less digits than its factorization.

897440158862 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144164 (or 144151 counting only the distinct ones).

The product of its (nonzero) digits is 30965760, while the sum is 62.

The spelling of 897440158862 in words is "eight hundred ninety-seven billion, four hundred forty million, one hundred fifty-eight thousand, eight hundred sixty-two".