28979565070 has 64 divisors (see below), whose sum is σ = 54803257344. Its totient is φ = 11012348160.

The previous prime is 28979565067. The next prime is 28979565107. The reversal of 28979565070 is 7056597982.

It is a junction number, because it is equal to n+sod(n) for n = 28979564996 and 28979565014.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 28053274 + ... + 28054306.

It is an arithmetic number, because the mean of its divisors is an integer number (856300896).

Almost surely, 2^28979565070 is an apocalyptic number.

28979565070 is a deficient number, since it is larger than the sum of its proper divisors (25823692274).

28979565070 is a wasteful number, since it uses less digits than its factorization.

28979565070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1777.

The product of its (nonzero) digits is 9525600, while the sum is 58.

The spelling of 28979565070 in words is "twenty-eight billion, nine hundred seventy-nine million, five hundred sixty-five thousand, seventy".