28307664116154 has 32 divisors (see below), whose sum is σ = 62951937920640. Its totient is φ = 9428985389376.

The previous prime is 28307664116119. The next prime is 28307664116159. The reversal of 28307664116154 is 45161146670382.

28307664116154 is a `hidden beast` number, since 2 + 8 + 3 + 0 + 7 + 6 + 6 + 4 + 11 + 615 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 28307664116154.

It is not an unprimeable number, because it can be changed into a prime (28307664116159) 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, 191665759 + ... + 191813394.

It is an arithmetic number, because the mean of its divisors is an integer number (1967248060020).

Almost surely, 2^{28307664116154} is an apocalyptic number.

28307664116154 is an abundant number, since it is smaller than the sum of its proper divisors (34644273804486).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28307664116154 is a wasteful number, since it uses less digits than its factorization.

28307664116154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 383480531 (or 383480525 counting only the distinct ones).

The product of its (nonzero) digits is 5806080, while the sum is 54.

The spelling of 28307664116154 in words is "twenty-eight trillion, three hundred seven billion, six hundred sixty-four million, one hundred sixteen thousand, one hundred fifty-four".