28058001345 has 32 divisors (see below), whose sum is σ = 54415520640. Its totient is φ = 13603878720.

The previous prime is 28058001331. The next prime is 28058001371. The reversal of 28058001345 is 54310085082.

It is a happy number.

28058001345 is a `hidden beast` number, since 28 + 0 + 580 + 0 + 13 + 45 = 666.

It is not a de Polignac number, because 28058001345 - 2⁴ = 28058001329 is a prime.

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, 9445654 + ... + 9448623.

It is an arithmetic number, because the mean of its divisors is an integer number (1700485020).

Almost surely, 2^28058001345 is an apocalyptic number.

It is an amenable number.

28058001345 is a deficient number, since it is larger than the sum of its proper divisors (26357519295).

28058001345 is a wasteful number, since it uses less digits than its factorization.

28058001345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18894302 (or 18894296 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 36.

The spelling of 28058001345 in words is "twenty-eight billion, fifty-eight million, one thousand, three hundred forty-five".