897761974 has 4 divisors (see below), whose sum is σ = 1346642964. Its totient is φ = 448880986.

The previous prime is 897761939. The next prime is 897761981. The reversal of 897761974 is 479167798.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 224440492 + ... + 224440495.

It is an arithmetic number, because the mean of its divisors is an integer number (336660741).

Almost surely, 2^897761974 is an apocalyptic number.

897761974 is a deficient number, since it is larger than the sum of its proper divisors (448880990).

897761974 is a wasteful number, since it uses less digits than its factorization.

897761974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 448880989.

The product of its digits is 5334336, while the sum is 58.

The square root of 897761974 is about 29962.6763490847. The cubic root of 897761974 is about 964.6884276057.

The spelling of 897761974 in words is "eight hundred ninety-seven million, seven hundred sixty-one thousand, nine hundred seventy-four".