28963696983540 has 96 divisors (see below), whose sum is σ = 88501264274304. Its totient is φ = 7019094735360.

The previous prime is 28963696983527. The next prime is 28963696983547. The reversal of 28963696983540 is 4538969636982.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28963696983547) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5596959 + ... + 9447398.

It is an arithmetic number, because the mean of its divisors is an integer number (921888169524).

Almost surely, 2^{28963696983540} is an apocalyptic number.

28963696983540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28963696983540 is an abundant number, since it is smaller than the sum of its proper divisors (59537567290764).

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

28963696983540 is a wasteful number, since it uses less digits than its factorization.

28963696983540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15047297 (or 15047295 counting only the distinct ones).

The product of its (nonzero) digits is 3627970560, while the sum is 78.

The spelling of 28963696983540 in words is "twenty-eight trillion, nine hundred sixty-three billion, six hundred ninety-six million, nine hundred eighty-three thousand, five hundred forty".