63962197 has 8 divisors (see below), whose sum is σ = 71258040. Its totient is φ = 57005760.

The previous prime is 63962183. The next prime is 63962201. The reversal of 63962197 is 79126936.

It can be written as a sum of positive squares in 4 ways, for example, as 1378276 + 62583921 = 1174^2 + 7911^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 63962197 - 2⁷ = 63962069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63962137) 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, 84454 + ... + 85207.

It is an arithmetic number, because the mean of its divisors is an integer number (8907255).

Almost surely, 2^63962197 is an apocalyptic number.

It is an amenable number.

63962197 is a deficient number, since it is larger than the sum of its proper divisors (7295843).

63962197 is a wasteful number, since it uses less digits than its factorization.

63962197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169703.

The product of its digits is 122472, while the sum is 43.

The square root of 63962197 is about 7997.6369635037. The cubic root of 63962197 is about 399.9212282385.

The spelling of 63962197 in words is "sixty-three million, nine hundred sixty-two thousand, one hundred ninety-seven".