998077953 has 8 divisors (see below), whose sum is σ = 1373698816. Its totient is φ = 643921200.

The previous prime is 998077937. The next prime is 998077957. The reversal of 998077953 is 359770899.

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

It is not a de Polignac number, because 998077953 - 2⁴ = 998077937 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 998077893 and 998077902.

It is not an unprimeable number, because it can be changed into a prime (998077957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5365918 + ... + 5366103.

It is an arithmetic number, because the mean of its divisors is an integer number (171712352).

Almost surely, 2^998077953 is an apocalyptic number.

998077953 is a gapful number since it is divisible by the number (93) formed by its first and last digit.

It is an amenable number.

998077953 is a deficient number, since it is larger than the sum of its proper divisors (375620863).

998077953 is a wasteful number, since it uses less digits than its factorization.

998077953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10732055.

The product of its (nonzero) digits is 4286520, while the sum is 57.

The square root of 998077953 is about 31592.3717533205. The cubic root of 998077953 is about 999.3589067539.

The spelling of 998077953 in words is "nine hundred ninety-eight million, seventy-seven thousand, nine hundred fifty-three".