112779902628 has 36 divisors (see below), whose sum is σ = 285440298780. Its totient is φ = 37546122816.

The previous prime is 112779902603. The next prime is 112779902647. The reversal of 112779902628 is 826209977211.

112779902628 is a `hidden beast` number, since 1 + 1 + 2 + 7 + 7 + 9 + 9 + 0 + 2 + 628 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 89794916964 + 22984985664 = 299658^2 + 151608^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×112779902628² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 1936663 + ... + 1994046.

Almost surely, 2^112779902628 is an apocalyptic number.

112779902628 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

112779902628 is an abundant number, since it is smaller than the sum of its proper divisors (172660396152).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

112779902628 is a wasteful number, since it uses less digits than its factorization.

112779902628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3931516 (or 3931511 counting only the distinct ones).

The product of its (nonzero) digits is 1524096, while the sum is 54.

The spelling of 112779902628 in words is "one hundred twelve billion, seven hundred seventy-nine million, nine hundred two thousand, six hundred twenty-eight".