63579901 has 12 divisors (see below), whose sum is σ = 80684640. Its totient is φ = 49542360.

The previous prime is 63579877. The next prime is 63579937. The reversal of 63579901 is 10997536.

It is not a de Polignac number, because 63579901 - 2¹³ = 63571709 is a prime.

It is a super-2 number, since 2×63579901² = 8084807622339602, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63579961) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 58441 + ... + 59518.

It is an arithmetic number, because the mean of its divisors is an integer number (6723720).

Almost surely, 2^63579901 is an apocalyptic number.

It is an amenable number.

63579901 is a deficient number, since it is larger than the sum of its proper divisors (17104739).

63579901 is a wasteful number, since it uses less digits than its factorization.

63579901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117984 (or 117977 counting only the distinct ones).

The product of its (nonzero) digits is 51030, while the sum is 40.

The square root of 63579901 is about 7973.7005837942. The cubic root of 63579901 is about 399.1228717711.

The spelling of 63579901 in words is "sixty-three million, five hundred seventy-nine thousand, nine hundred one".