73886457131 has 6 divisors (see below), whose sum is σ = 76346777196. Its totient is φ = 71503022100.

The previous prime is 73886457121. The next prime is 73886457133. The reversal of 73886457131 is 13175468837.

It is a de Polignac number, because none of the positive numbers 2^k-73886457131 is a prime.

It is a super-2 number, since 2×73886457131² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73886457133) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 38441525 + ... + 38443446.

It is an arithmetic number, because the mean of its divisors is an integer number (12724462866).

Almost surely, 2^73886457131 is an apocalyptic number.

73886457131 is a deficient number, since it is larger than the sum of its proper divisors (2460320065).

73886457131 is an equidigital number, since it uses as much as digits as its factorization.

73886457131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76885033 (or 76885002 counting only the distinct ones).

The product of its digits is 3386880, while the sum is 53.

The spelling of 73886457131 in words is "seventy-three billion, eight hundred eighty-six million, four hundred fifty-seven thousand, one hundred thirty-one".