897678532454 has 16 divisors (see below), whose sum is σ = 1489050818640. Its totient is φ = 402446165760.

The previous prime is 897678532451. The next prime is 897678532477. The reversal of 897678532454 is 454235876798.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (897678532451) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 279474899 + ... + 279478110.

It is an arithmetic number, because the mean of its divisors is an integer number (93065676165).

Almost surely, 2^897678532454 is an apocalyptic number.

897678532454 is a deficient number, since it is larger than the sum of its proper divisors (591372286186).

897678532454 is a wasteful number, since it uses less digits than its factorization.

897678532454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 558953095.

The product of its digits is 406425600, while the sum is 68.

The spelling of 897678532454 in words is "eight hundred ninety-seven billion, six hundred seventy-eight million, five hundred thirty-two thousand, four hundred fifty-four".