61672283886 has 32 divisors (see below), whose sum is σ = 126392410368. Its totient is φ = 20049767360.

The previous prime is 61672283861. The next prime is 61672283887. The reversal of 61672283886 is 68838227616.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61672283887) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 785911 + ... + 860813.

It is an arithmetic number, because the mean of its divisors is an integer number (3949762824).

Almost surely, 2^61672283886 is an apocalyptic number.

61672283886 is an abundant number, since it is smaller than the sum of its proper divisors (64720126482).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61672283886 is a wasteful number, since it uses less digits than its factorization.

61672283886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78296.

The product of its digits is 9289728, while the sum is 57.

The spelling of 61672283886 in words is "sixty-one billion, six hundred seventy-two million, two hundred eighty-three thousand, eight hundred eighty-six".