897694788408 has 32 divisors (see below), whose sum is σ = 2448258514560. Its totient is φ = 272028723680.

The previous prime is 897694788391. The next prime is 897694788421. The reversal of 897694788408 is 804887496798.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1700179260 + ... + 1700179787.

It is an arithmetic number, because the mean of its divisors is an integer number (76508078580).

Almost surely, 2^897694788408 is an apocalyptic number.

897694788408 is a gapful number since it is divisible by the number (88) formed by its first and last digit.

It is an amenable number.

897694788408 is an abundant number, since it is smaller than the sum of its proper divisors (1550563726152).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

897694788408 is a wasteful number, since it uses less digits than its factorization.

897694788408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3400359067 (or 3400359063 counting only the distinct ones).

The product of its (nonzero) digits is 1560674304, while the sum is 78.

The spelling of 897694788408 in words is "eight hundred ninety-seven billion, six hundred ninety-four million, seven hundred eighty-eight thousand, four hundred eight".