28061402835 has 32 divisors (see below), whose sum is σ = 47553979392. Its totient is φ = 14081379840.

The previous prime is 28061402783. The next prime is 28061402851. The reversal of 28061402835 is 53820416082.

It is not a de Polignac number, because 28061402835 - 2¹⁵ = 28061370067 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28061402793 and 28061402802.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 910752 + ... + 941058.

It is an arithmetic number, because the mean of its divisors is an integer number (1486061856).

Almost surely, 2^28061402835 is an apocalyptic number.

28061402835 is a deficient number, since it is larger than the sum of its proper divisors (19492576557).

28061402835 is a wasteful number, since it uses less digits than its factorization.

28061402835 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33963.

The product of its (nonzero) digits is 92160, while the sum is 39.

The spelling of 28061402835 in words is "twenty-eight billion, sixty-one million, four hundred two thousand, eight hundred thirty-five".