187299540007 has 2 divisors, whose sum is σ = 187299540008. Its totient is φ = 187299540006.

The previous prime is 187299539953. The next prime is 187299540019. The reversal of 187299540007 is 700045992781.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-187299540007 is a prime.

It is a super-2 number, since 2×187299540007² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (187299540067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 93649770003 + 93649770004.

It is an arithmetic number, because the mean of its divisors is an integer number (93649770004).

Almost surely, 2^187299540007 is an apocalyptic number.

187299540007 is a deficient number, since it is larger than the sum of its proper divisors (1).

187299540007 is an equidigital number, since it uses as much as digits as its factorization.

187299540007 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1270080, while the sum is 52.

The spelling of 187299540007 in words is "one hundred eighty-seven billion, two hundred ninety-nine million, five hundred forty thousand, seven".