990876927 has 8 divisors (see below), whose sum is σ = 1321605040. Its totient is φ = 660366720.

The previous prime is 990876893. The next prime is 990876937. The reversal of 990876927 is 729678099.

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

It is not a de Polignac number, because 990876927 - 2¹¹ = 990874879 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 (990876937) 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, 43552 + ... + 62277.

It is an arithmetic number, because the mean of its divisors is an integer number (165200630).

Almost surely, 2^990876927 is an apocalyptic number.

990876927 is a deficient number, since it is larger than the sum of its proper divisors (330728113).

990876927 is a wasteful number, since it uses less digits than its factorization.

990876927 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108953.

The product of its (nonzero) digits is 3429216, while the sum is 57.

The square root of 990876927 is about 31478.1976453545. The cubic root of 990876927 is about 996.9496806792.

The spelling of 990876927 in words is "nine hundred ninety million, eight hundred seventy-six thousand, nine hundred twenty-seven".