897800629 has 4 divisors (see below), whose sum is σ = 979418880. Its totient is φ = 816182380.

The previous prime is 897800611. The next prime is 897800677. The reversal of 897800629 is 926008798.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 897800629 - 2¹³ = 897792437 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (897800129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40809109 + ... + 40809130.

It is an arithmetic number, because the mean of its divisors is an integer number (244854720).

Almost surely, 2^897800629 is an apocalyptic number.

It is an amenable number.

897800629 is a deficient number, since it is larger than the sum of its proper divisors (81618251).

897800629 is a wasteful number, since it uses less digits than its factorization.

897800629 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81618250.

The product of its (nonzero) digits is 435456, while the sum is 49.

The square root of 897800629 is about 29963.3213946652. The cubic root of 897800629 is about 964.7022729593.

The spelling of 897800629 in words is "eight hundred ninety-seven million, eight hundred thousand, six hundred twenty-nine".