63440097 has 8 divisors (see below), whose sum is σ = 96670656. Its totient is φ = 36251472.

The previous prime is 63440087. The next prime is 63440119. The reversal of 63440097 is 79004436.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 63440097 - 2⁶ = 63440033 is a prime.

It is not an unprimeable number, because it can be changed into a prime (63440057) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1510458 + ... + 1510499.

It is an arithmetic number, because the mean of its divisors is an integer number (12083832).

Almost surely, 2^63440097 is an apocalyptic number.

It is an amenable number.

63440097 is a deficient number, since it is larger than the sum of its proper divisors (33230559).

63440097 is a wasteful number, since it uses less digits than its factorization.

63440097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3020967.

The product of its (nonzero) digits is 18144, while the sum is 33.

The square root of 63440097 is about 7964.9291898924. The cubic root of 63440097 is about 398.8301171879.

Subtracting from 63440097 its product of nonzero digits (18144), we obtain a triangular number (63421953 = T₁₁₂₆₂).

The spelling of 63440097 in words is "sixty-three million, four hundred forty thousand, ninety-seven".