998677545 has 64 divisors (see below), whose sum is σ = 1687827456. Its totient is φ = 503712000.

The previous prime is 998677531. The next prime is 998677567. The reversal of 998677545 is 545776899.

998677545 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 998677545 - 2⁶ = 998677481 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3978670 + ... + 3978920.

It is an arithmetic number, because the mean of its divisors is an integer number (26372304).

Almost surely, 2^998677545 is an apocalyptic number.

It is an amenable number.

998677545 is a deficient number, since it is larger than the sum of its proper divisors (689149911).

998677545 is a wasteful number, since it uses less digits than its factorization.

998677545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 470.

The product of its digits is 19051200, while the sum is 60.

The square root of 998677545 is about 31601.8598345097. The cubic root of 998677545 is about 999.5589872030.

The spelling of 998677545 in words is "nine hundred ninety-eight million, six hundred seventy-seven thousand, five hundred forty-five".