28977990125473 has 16 divisors (see below), whose sum is σ = 30349933286400. Its totient is φ = 27615524445520.

The previous prime is 28977990125449. The next prime is 28977990125479. The reversal of 28977990125473 is 37452109977982.

It is a cyclic number.

It is not a de Polignac number, because 28977990125473 - 2⁹ = 28977990124961 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28977990125396 and 28977990125405.

It is not an unprimeable number, because it can be changed into a prime (28977990125479) 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, 7399998 + ... + 10616776.

It is an arithmetic number, because the mean of its divisors is an integer number (1896870830400).

Almost surely, 2^{28977990125473} is an apocalyptic number.

28977990125473 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

28977990125473 is a deficient number, since it is larger than the sum of its proper divisors (1371943160927).

28977990125473 is a wasteful number, since it uses less digits than its factorization.

28977990125473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3218252.

The product of its (nonzero) digits is 480090240, while the sum is 73.

The spelling of 28977990125473 in words is "twenty-eight trillion, nine hundred seventy-seven billion, nine hundred ninety million, one hundred twenty-five thousand, four hundred seventy-three".