28497197034 has 32 divisors (see below), whose sum is σ = 63782712000. Its totient is φ = 9430724592.

The previous prime is 28497197023. The next prime is 28497197117. The reversal of 28497197034 is 43079179482.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1890789 + ... + 1905800.

It is an arithmetic number, because the mean of its divisors is an integer number (1993209750).

Almost surely, 2^28497197034 is an apocalyptic number.

28497197034 is an abundant number, since it is smaller than the sum of its proper divisors (35285514966).

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

28497197034 is a wasteful number, since it uses less digits than its factorization.

28497197034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3796739 (or 3796733 counting only the distinct ones).

The product of its (nonzero) digits is 3048192, while the sum is 54.

The spelling of 28497197034 in words is "twenty-eight billion, four hundred ninety-seven million, one hundred ninety-seven thousand, thirty-four".