897719954 has 4 divisors (see below), whose sum is σ = 1346579934. Its totient is φ = 448859976.

The previous prime is 897719951. The next prime is 897719957. The reversal of 897719954 is 459917798.

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

It is an interprime number because it is at equal distance from previous prime (897719951) and next prime (897719957).

It can be written as a sum of positive squares in only one way, i.e., 680009929 + 217710025 = 26077^2 + 14755^2 .

It is a super-2 number, since 2×897719954² = 1611802231619524232, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 897719893 and 897719902.

It is not an unprimeable number, because it can be changed into a prime (897719951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 224429987 + ... + 224429990.

Almost surely, 2^897719954 is an apocalyptic number.

897719954 is a deficient number, since it is larger than the sum of its proper divisors (448859980).

897719954 is a wasteful number, since it uses less digits than its factorization.

897719954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 448859979.

The product of its digits is 5715360, while the sum is 59.

The square root of 897719954 is about 29961.9751351609. The cubic root of 897719954 is about 964.6733765337.

The spelling of 897719954 in words is "eight hundred ninety-seven million, seven hundred nineteen thousand, nine hundred fifty-four".