985679155 has 32 divisors (see below), whose sum is σ = 1238219136. Its totient is φ = 752640000.

The previous prime is 985679137. The next prime is 985679171. The reversal of 985679155 is 551976589.

985679155 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 985679155 - 2²³ = 977290547 is a prime.

It is a super-3 number, since 3×985679155³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 985679096 and 985679105.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3507615 + ... + 3507895.

It is an arithmetic number, because the mean of its divisors is an integer number (38694348).

Almost surely, 2^985679155 is an apocalyptic number.

985679155 is a deficient number, since it is larger than the sum of its proper divisors (252539981).

985679155 is a wasteful number, since it uses less digits than its factorization.

985679155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 639.

The product of its digits is 3402000, while the sum is 55.

The square root of 985679155 is about 31395.5276273548. The cubic root of 985679155 is about 995.2034145534.

The spelling of 985679155 in words is "nine hundred eighty-five million, six hundred seventy-nine thousand, one hundred fifty-five".