28894295401572 has 48 divisors (see below), whose sum is σ = 69997144637952. Its totient is φ = 9266863319040.

The previous prime is 28894295401571. The next prime is 28894295401627. The reversal of 28894295401572 is 27510459249882.

It is not an unprimeable number, because it can be changed into a prime (28894295401571) 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, 224423613 + ... + 224552324.

It is an arithmetic number, because the mean of its divisors is an integer number (1458273846624).

Almost surely, 2^{28894295401572} is an apocalyptic number.

It is an amenable number.

28894295401572 is an abundant number, since it is smaller than the sum of its proper divisors (41102849236380).

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

28894295401572 is a wasteful number, since it uses less digits than its factorization.

28894295401572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 448976148 (or 448976146 counting only the distinct ones).

The product of its (nonzero) digits is 116121600, while the sum is 66.

The spelling of 28894295401572 in words is "twenty-eight trillion, eight hundred ninety-four billion, two hundred ninety-five million, four hundred one thousand, five hundred seventy-two".