87345451357 has 2 divisors, whose sum is σ = 87345451358. Its totient is φ = 87345451356.

The previous prime is 87345451331. The next prime is 87345451411. The reversal of 87345451357 is 75315454378.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 60039210841 + 27306240516 = 245029^2 + 165246^2 .

It is a cyclic number.

It is not a de Polignac number, because 87345451357 - 2⁷ = 87345451229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87345751357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43672725678 + 43672725679.

It is an arithmetic number, because the mean of its divisors is an integer number (43672725679).

Almost surely, 2^87345451357 is an apocalyptic number.

It is an amenable number.

87345451357 is a deficient number, since it is larger than the sum of its proper divisors (1).

87345451357 is an equidigital number, since it uses as much as digits as its factorization.

87345451357 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7056000, while the sum is 52.

The spelling of 87345451357 in words is "eighty-seven billion, three hundred forty-five million, four hundred fifty-one thousand, three hundred fifty-seven".