72403025087 has 2 divisors, whose sum is σ = 72403025088. Its totient is φ = 72403025086.

The previous prime is 72403025077. The next prime is 72403025111. The reversal of 72403025087 is 78052030427.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 72403025087 - 2²⁰ = 72401976511 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 72403025087.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72403025047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36201512543 + 36201512544.

It is an arithmetic number, because the mean of its divisors is an integer number (36201512544).

Almost surely, 2^72403025087 is an apocalyptic number.

72403025087 is a deficient number, since it is larger than the sum of its proper divisors (1).

72403025087 is an equidigital number, since it uses as much as digits as its factorization.

72403025087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 94080, while the sum is 38.

The spelling of 72403025087 in words is "seventy-two billion, four hundred three million, twenty-five thousand, eighty-seven".