28628520151 has 32 divisors (see below), whose sum is σ = 36100753920. Its totient is φ = 22053427200.

The previous prime is 28628520143. The next prime is 28628520163. The reversal of 28628520151 is 15102582682.

It is not a de Polignac number, because 28628520151 - 2³ = 28628520143 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28628520101) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9640995 + ... + 9643963.

It is an arithmetic number, because the mean of its divisors is an integer number (1128148560).

Almost surely, 2^28628520151 is an apocalyptic number.

28628520151 is a deficient number, since it is larger than the sum of its proper divisors (7472233769).

28628520151 is a wasteful number, since it uses less digits than its factorization.

28628520151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4375.

The product of its (nonzero) digits is 76800, while the sum is 40.

The spelling of 28628520151 in words is "twenty-eight billion, six hundred twenty-eight million, five hundred twenty thousand, one hundred fifty-one".