60780863631 has 4 divisors (see below), whose sum is σ = 81041151512. Its totient is φ = 40520575752.

The previous prime is 60780863609. The next prime is 60780863639. The reversal of 60780863631 is 13636808706.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 60780863631 - 2⁷ = 60780863503 is a prime.

It is a super-2 number, since 2×60780863631² (a number of 22 digits) 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 (60780863639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10130143936 + ... + 10130143941.

It is an arithmetic number, because the mean of its divisors is an integer number (20260287878).

Almost surely, 2^60780863631 is an apocalyptic number.

60780863631 is a deficient number, since it is larger than the sum of its proper divisors (20260287881).

60780863631 is a wasteful number, since it uses less digits than its factorization.

60780863631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20260287880.

The product of its (nonzero) digits is 870912, while the sum is 48.

The spelling of 60780863631 in words is "sixty billion, seven hundred eighty million, eight hundred sixty-three thousand, six hundred thirty-one".