63197947874 has 16 divisors (see below), whose sum is σ = 97119760320. Its totient is φ = 30826486320.

The previous prime is 63197947871. The next prime is 63197947997. The reversal of 63197947874 is 47874979136.

It is a super-2 number, since 2×63197947874² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 63197947874.

It is not an unprimeable number, because it can be changed into a prime (63197947871) 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, 376934 + ... + 518145.

It is an arithmetic number, because the mean of its divisors is an integer number (6069985020).

Almost surely, 2^63197947874 is an apocalyptic number.

63197947874 is a deficient number, since it is larger than the sum of its proper divisors (33921812446).

63197947874 is a wasteful number, since it uses less digits than its factorization.

63197947874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 895945.

The product of its digits is 64012032, while the sum is 65.

The spelling of 63197947874 in words is "sixty-three billion, one hundred ninety-seven million, nine hundred forty-seven thousand, eight hundred seventy-four".