87760097 has 2 divisors, whose sum is σ = 87760098. Its totient is φ = 87760096.

The previous prime is 87760087. The next prime is 87760121. The reversal of 87760097 is 79006778.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 80120401 + 7639696 = 8951^2 + 2764^2 .

It is a cyclic number.

It is not a de Polignac number, because 87760097 - 2¹⁸ = 87497953 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (87760037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43880048 + 43880049.

It is an arithmetic number, because the mean of its divisors is an integer number (43880049).

Almost surely, 2^87760097 is an apocalyptic number.

It is an amenable number.

87760097 is a deficient number, since it is larger than the sum of its proper divisors (1).

87760097 is an equidigital number, since it uses as much as digits as its factorization.

87760097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 148176, while the sum is 44.

The square root of 87760097 is about 9368.0359200848. The cubic root of 87760097 is about 444.3914536660.

The spelling of 87760097 in words is "eighty-seven million, seven hundred sixty thousand, ninety-seven".