940087171547 has 2 divisors, whose sum is σ = 940087171548. Its totient is φ = 940087171546.

The previous prime is 940087171501. The next prime is 940087171571. The reversal of 940087171547 is 745171780049.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 940087171547 - 2¹⁰ = 940087170523 is a prime.

It is not a weakly prime, because it can be changed into another prime (940087171447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 470043585773 + 470043585774.

It is an arithmetic number, because the mean of its divisors is an integer number (470043585774).

Almost surely, 2^940087171547 is an apocalyptic number.

940087171547 is a deficient number, since it is larger than the sum of its proper divisors (1).

940087171547 is an equidigital number, since it uses as much as digits as its factorization.

940087171547 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1975680, while the sum is 53.

The spelling of 940087171547 in words is "nine hundred forty billion, eighty-seven million, one hundred seventy-one thousand, five hundred forty-seven".