28697161260 has 24 divisors (see below), whose sum is σ = 80352051696. Its totient is φ = 7652576320.

The previous prime is 28697161243. The next prime is 28697161279. The reversal of 28697161260 is 6216179682.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 239142951 + ... + 239143070.

It is an arithmetic number, because the mean of its divisors is an integer number (3348002154).

Almost surely, 2^28697161260 is an apocalyptic number.

28697161260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28697161260 is an abundant number, since it is smaller than the sum of its proper divisors (51654890436).

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

28697161260 is a wasteful number, since it uses less digits than its factorization.

28697161260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 478286033 (or 478286031 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 48.

The spelling of 28697161260 in words is "twenty-eight billion, six hundred ninety-seven million, one hundred sixty-one thousand, two hundred sixty".