633479697 has 20 divisors (see below), whose sum is σ = 955166256. Its totient is φ = 418367160.

The previous prime is 633479681. The next prime is 633479719. The reversal of 633479697 is 796974336.

It is not a de Polignac number, because 633479697 - 2⁴ = 633479681 is a prime.

It is a super-2 number, since 2×633479697² = 802593053022423618, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (633479647) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 27879 + ... + 45212.

Almost surely, 2^633479697 is an apocalyptic number.

It is an amenable number.

633479697 is a deficient number, since it is larger than the sum of its proper divisors (321686559).

633479697 is a wasteful number, since it uses less digits than its factorization.

633479697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73210 (or 73201 counting only the distinct ones).

The product of its digits is 5143824, while the sum is 54.

The square root of 633479697 is about 25169.0225674340. The cubic root of 633479697 is about 858.8373042950.

The spelling of 633479697 in words is "six hundred thirty-three million, four hundred seventy-nine thousand, six hundred ninety-seven".