87575338931 has 2 divisors, whose sum is σ = 87575338932. Its totient is φ = 87575338930.

The previous prime is 87575338919. The next prime is 87575338933. The reversal of 87575338931 is 13983357578.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 87575338931 - 2²² = 87571144627 is a prime.

It is a super-2 number, since 2×87575338931² (a number of 23 digits) contains 22 as substring.

Together with 87575338933, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (87575338933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43787669465 + 43787669466.

It is an arithmetic number, because the mean of its divisors is an integer number (43787669466).

Almost surely, 2^87575338931 is an apocalyptic number.

87575338931 is a deficient number, since it is larger than the sum of its proper divisors (1).

87575338931 is an equidigital number, since it uses as much as digits as its factorization.

87575338931 is an evil number, because the sum of its binary digits is even.

The product of its digits is 19051200, while the sum is 59.

The spelling of 87575338931 in words is "eighty-seven billion, five hundred seventy-five million, three hundred thirty-eight thousand, nine hundred thirty-one".