28706628677262 has 32 divisors (see below), whose sum is σ = 57453267261312. Its totient is φ = 9562210240224.

The previous prime is 28706628677257. The next prime is 28706628677263. The reversal of 28706628677262 is 26277682660782.

It is a super-3 number, since 3×28706628677262³ (a number of 41 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28706628677263) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49436413 + ... + 50013719.

It is an arithmetic number, because the mean of its divisors is an integer number (1795414601916).

Almost surely, 2^{28706628677262} is an apocalyptic number.

28706628677262 is an abundant number, since it is smaller than the sum of its proper divisors (28746638584050).

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

28706628677262 is a wasteful number, since it uses less digits than its factorization.

28706628677262 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 583072.

The product of its (nonzero) digits is 455196672, while the sum is 69.

The spelling of 28706628677262 in words is "twenty-eight trillion, seven hundred six billion, six hundred twenty-eight million, six hundred seventy-seven thousand, two hundred sixty-two".