63671577145 has 8 divisors (see below), whose sum is σ = 83351882880. Its totient is φ = 46306601520.

The previous prime is 63671577091. The next prime is 63671577161. The reversal of 63671577145 is 54177517636.

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

It is not a de Polignac number, because 63671577145 - 2¹⁷ = 63671446073 is a prime.

It is a super-2 number, since 2×63671577145² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 63671577092 and 63671577101.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 578832465 + ... + 578832574.

It is an arithmetic number, because the mean of its divisors is an integer number (10418985360).

Almost surely, 2^63671577145 is an apocalyptic number.

It is an amenable number.

63671577145 is a deficient number, since it is larger than the sum of its proper divisors (19680305735).

63671577145 is a wasteful number, since it uses less digits than its factorization.

63671577145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1157665055.

The product of its digits is 3704400, while the sum is 52.

The spelling of 63671577145 in words is "sixty-three billion, six hundred seventy-one million, five hundred seventy-seven thousand, one hundred forty-five".