28956653070 has 64 divisors (see below), whose sum is σ = 70709034240. Its totient is φ = 7587120128.

The previous prime is 28956653069. The next prime is 28956653083. The reversal of 28956653070 is 7035665982.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6399829 + ... + 6404351.

It is an arithmetic number, because the mean of its divisors is an integer number (1104828660).

Almost surely, 2^28956653070 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28956653070, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35354517120).

28956653070 is an abundant number, since it is smaller than the sum of its proper divisors (41752381170).

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

28956653070 is a wasteful number, since it uses less digits than its factorization.

28956653070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8209.

The product of its (nonzero) digits is 2721600, while the sum is 51.

The spelling of 28956653070 in words is "twenty-eight billion, nine hundred fifty-six million, six hundred fifty-three thousand, seventy".