28611277294908 has 1152 divisors, whose sum is σ = 93636990074880. Its totient is φ = 6628184640000.

The previous prime is 28611277294907. The next prime is 28611277294913. The reversal of 28611277294908 is 80949277211682.

It is a super-2 number, since 2×28611277294908² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (66).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28611277294907) by changing a digit.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 35279009823 + ... + 35279010633.

It is an arithmetic number, because the mean of its divisors is an integer number (81282109440).

Almost surely, 2^{28611277294908} is an apocalyptic number.

28611277294908 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28611277294908, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46818495037440).

28611277294908 is an abundant number, since it is smaller than the sum of its proper divisors (65025712779972).

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

28611277294908 is a wasteful number, since it uses less digits than its factorization.

28611277294908 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1051 (or 1038 counting only the distinct ones).

The product of its (nonzero) digits is 48771072, while the sum is 66.

The spelling of 28611277294908 in words is "twenty-eight trillion, six hundred eleven billion, two hundred seventy-seven million, two hundred ninety-four thousand, nine hundred eight".