897019269120 has 1872 divisors, whose sum is σ = 3803196236112. Its totient is φ = 193651015680.

The previous prime is 897019269049. The next prime is 897019269131. The reversal of 897019269120 is 21962910798.

It can be written as a sum of positive squares in 8 ways, for example, as 149527609344 + 747491659776 = 386688^2 + 864576^2 .

It is a tau number, because it is divible by the number of its divisors (1872).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 14705233890 + ... + 14705233950.

It is an arithmetic number, because the mean of its divisors is an integer number (2031621921).

Almost surely, 2^897019269120 is an apocalyptic number.

897019269120 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 897019269120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1901598118056).

897019269120 is an abundant number, since it is smaller than the sum of its proper divisors (2906176966992).

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

897019269120 is a wasteful number, since it uses less digits than its factorization.

897019269120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164 (or 120 counting only the distinct ones).

The product of its (nonzero) digits is 979776, while the sum is 54.

The spelling of 897019269120 in words is "eight hundred ninety-seven billion, nineteen million, two hundred sixty-nine thousand, one hundred twenty".