1098755679 has 64 divisors (see below), whose sum is σ = 1829302272. Its totient is φ = 572313600.

The previous prime is 1098755657. The next prime is 1098755687. The reversal of 1098755679 is 9765578901.

It is not a de Polignac number, because 1098755679 - 2⁸ = 1098755423 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1098755689) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3966489 + ... + 3966765.

It is an arithmetic number, because the mean of its divisors is an integer number (28582848).

Almost surely, 2^1098755679 is an apocalyptic number.

1098755679 is a deficient number, since it is larger than the sum of its proper divisors (730546593).

1098755679 is a wasteful number, since it uses less digits than its factorization.

1098755679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 616.

The product of its (nonzero) digits is 4762800, while the sum is 57.

The square root of 1098755679 is about 33147.4837506559. The cubic root of 1098755679 is about 1031.8907298600.

It can be divided in two parts, 10987 and 55679, that added together give a palindrome (66666).

The spelling of 1098755679 in words is "one billion, ninety-eight million, seven hundred fifty-five thousand, six hundred seventy-nine".