87700933 has 2 divisors, whose sum is σ = 87700934. Its totient is φ = 87700932.

The previous prime is 87700853. The next prime is 87700939. The reversal of 87700933 is 33900778.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 67207204 + 20493729 = 8198^2 + 4527^2 .

It is a cyclic number.

It is not a de Polignac number, because 87700933 - 2²¹ = 85603781 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 87700892 and 87700901.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87700939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43850466 + 43850467.

It is an arithmetic number, because the mean of its divisors is an integer number (43850467).

Almost surely, 2^87700933 is an apocalyptic number.

It is an amenable number.

87700933 is a deficient number, since it is larger than the sum of its proper divisors (1).

87700933 is an equidigital number, since it uses as much as digits as its factorization.

87700933 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31752, while the sum is 37.

The square root of 87700933 is about 9364.8776286719. The cubic root of 87700933 is about 444.2915681547.

The spelling of 87700933 in words is "eighty-seven million, seven hundred thousand, nine hundred thirty-three".