987900007 has 2 divisors, whose sum is σ = 987900008. Its totient is φ = 987900006.

The previous prime is 987899999. The next prime is 987900061. The reversal of 987900007 is 700009789.

987900007 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 987900007 - 2³ = 987899999 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (987907007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 493950003 + 493950004.

It is an arithmetic number, because the mean of its divisors is an integer number (493950004).

Almost surely, 2^987900007 is an apocalyptic number.

987900007 is a deficient number, since it is larger than the sum of its proper divisors (1).

987900007 is an equidigital number, since it uses as much as digits as its factorization.

987900007 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31752, while the sum is 40.

The square root of 987900007 is about 31430.8766501986. The cubic root of 987900007 is about 995.9502909956.

The spelling of 987900007 in words is "nine hundred eighty-seven million, nine hundred thousand, seven".