972403087 has 2 divisors, whose sum is σ = 972403088. Its totient is φ = 972403086.

The previous prime is 972403063. The next prime is 972403097. The reversal of 972403087 is 780304279.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-972403087 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (972403037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 486201543 + 486201544.

It is an arithmetic number, because the mean of its divisors is an integer number (486201544).

Almost surely, 2^972403087 is an apocalyptic number.

972403087 is a deficient number, since it is larger than the sum of its proper divisors (1).

972403087 is an equidigital number, since it uses as much as digits as its factorization.

972403087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 84672, while the sum is 40.

The square root of 972403087 is about 31183.3783769495. The cubic root of 972403087 is about 990.7150861919.

The spelling of 972403087 in words is "nine hundred seventy-two million, four hundred three thousand, eighty-seven".