86953388738 has 16 divisors (see below), whose sum is σ = 130982115960. Its totient is φ = 43292798976.

The previous prime is 86953388707. The next prime is 86953388761. The reversal of 86953388738 is 83788335968.

It can be written as a sum of positive squares in 4 ways, for example, as 83213210089 + 3740178649 = 288467^2 + 61157^2 .

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1570820 + ... + 1625232.

Almost surely, 2^86953388738 is an apocalyptic number.

86953388738 is a deficient number, since it is larger than the sum of its proper divisors (44028727222).

86953388738 is a wasteful number, since it uses less digits than its factorization.

86953388738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57781.

The product of its digits is 209018880, while the sum is 68.

The spelling of 86953388738 in words is "eighty-six billion, nine hundred fifty-three million, three hundred eighty-eight thousand, seven hundred thirty-eight".