87162037 has 2 divisors, whose sum is σ = 87162038. Its totient is φ = 87162036.

The previous prime is 87162013. The next prime is 87162067. The reversal of 87162037 is 73026178.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 69906321 + 17255716 = 8361^2 + 4154^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-87162037 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 87161993 and 87162011.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87162067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43581018 + 43581019.

It is an arithmetic number, because the mean of its divisors is an integer number (43581019).

Almost surely, 2^87162037 is an apocalyptic number.

It is an amenable number.

87162037 is a deficient number, since it is larger than the sum of its proper divisors (1).

87162037 is an equidigital number, since it uses as much as digits as its factorization.

87162037 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14112, while the sum is 34.

The square root of 87162037 is about 9336.0611073407. The cubic root of 87162037 is about 443.3796849169.

The spelling of 87162037 in words is "eighty-seven million, one hundred sixty-two thousand, thirty-seven".