980745887 has 8 divisors (see below), whose sum is σ = 1070159952. Its totient is φ = 891374400.

The previous prime is 980745881. The next prime is 980745893. The reversal of 980745887 is 788547089.

It is an interprime number because it is at equal distance from previous prime (980745881) and next prime (980745893).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-980745887 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (980745881) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55337 + ... + 70877.

It is an arithmetic number, because the mean of its divisors is an integer number (133769994).

Almost surely, 2^980745887 is an apocalyptic number.

980745887 is a deficient number, since it is larger than the sum of its proper divisors (89414065).

980745887 is a wasteful number, since it uses less digits than its factorization.

980745887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21289.

The product of its (nonzero) digits is 4515840, while the sum is 56.

The square root of 980745887 is about 31316.8626621506. The cubic root of 980745887 is about 993.5403247779.

The spelling of 980745887 in words is "nine hundred eighty million, seven hundred forty-five thousand, eight hundred eighty-seven".