39677463599994 has 144 divisors (see below), whose sum is σ = 97357860715752. Its totient is φ = 11662409088000.

The previous prime is 39677463599981. The next prime is 39677463599999. The reversal of 39677463599994 is 49999536477693.

39677463599994 is a `hidden beast` number, since 3 + 9 + 6 + 7 + 7 + 4 + 6 + 3 + 599 + 9 + 9 + 4 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 38910460730625 + 767002869369 = 6237825^2 + 875787^2 .

It is a super-2 number, since 2×39677463599994² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (39677463599999) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 14164374 + ... + 16732734.

Almost surely, 2^{39677463599994} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 39677463599994, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48678930357876).

39677463599994 is an abundant number, since it is smaller than the sum of its proper divisors (57680397115758).

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

39677463599994 is a wasteful number, since it uses less digits than its factorization.

39677463599994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2568605 (or 2568591 counting only the distinct ones).

The product of its digits is 74996953920, while the sum is 90.

The spelling of 39677463599994 in words is "thirty-nine trillion, six hundred seventy-seven billion, four hundred sixty-three million, five hundred ninety-nine thousand, nine hundred ninety-four".