8207137919064 has 64 divisors (see below), whose sum is σ = 23449655197440. Its totient is φ = 2344827576960.

The previous prime is 8207137919053. The next prime is 8207137919081. The reversal of 8207137919064 is 4609197317028.

It is a happy number.

It is a super-2 number, since 2×8207137919064² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 8207137918995 and 8207137919013.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5152594 + ... + 6554654.

It is an arithmetic number, because the mean of its divisors is an integer number (366400862460).

Almost surely, 2^{8207137919064} is an apocalyptic number.

8207137919064 is a gapful number since it is divisible by the number (84) formed by its first and last digit.

It is an amenable number.

8207137919064 is an abundant number, since it is smaller than the sum of its proper divisors (15242517278376).

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

8207137919064 is a wasteful number, since it uses less digits than its factorization.

8207137919064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1436920 (or 1436916 counting only the distinct ones).

The product of its (nonzero) digits is 4572288, while the sum is 57.

The spelling of 8207137919064 in words is "eight trillion, two hundred seven billion, one hundred thirty-seven million, nine hundred nineteen thousand, sixty-four".