28903617842 has 16 divisors (see below), whose sum is σ = 47306426112. Its totient is φ = 13135342320.

The previous prime is 28903617811. The next prime is 28903617859. The reversal of 28903617842 is 24871630982.

It is a super-3 number, since 3×28903617842³ (a number of 32 digits) contains 333 as substring.

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, 20273 + ... + 241284.

It is an arithmetic number, because the mean of its divisors is an integer number (2956651632).

Almost surely, 2^28903617842 is an apocalyptic number.

28903617842 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

28903617842 is a deficient number, since it is larger than the sum of its proper divisors (18402808270).

28903617842 is a wasteful number, since it uses less digits than its factorization.

28903617842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266593.

The product of its (nonzero) digits is 1161216, while the sum is 50.

The spelling of 28903617842 in words is "twenty-eight billion, nine hundred three million, six hundred seventeen thousand, eight hundred forty-two".