28428339190537 has 16 divisors (see below), whose sum is σ = 33603226308288. Its totient is φ = 23709593436480.

The previous prime is 28428339190529. The next prime is 28428339190547. The reversal of 28428339190537 is 73509193382482.

It is a cyclic number.

It is not a de Polignac number, because 28428339190537 - 2³ = 28428339190529 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28428339190547) 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, 609791338 + ... + 609837955.

It is an arithmetic number, because the mean of its divisors is an integer number (2100201644268).

Almost surely, 2^{28428339190537} is an apocalyptic number.

It is an amenable number.

28428339190537 is a deficient number, since it is larger than the sum of its proper divisors (5174887117751).

28428339190537 is a wasteful number, since it uses less digits than its factorization.

28428339190537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1219629480.

The product of its (nonzero) digits is 78382080, while the sum is 64.

The spelling of 28428339190537 in words is "twenty-eight trillion, four hundred twenty-eight billion, three hundred thirty-nine million, one hundred ninety thousand, five hundred thirty-seven".