157678628043 has 4 divisors (see below), whose sum is σ = 210238170728. Its totient is φ = 105119085360.

The previous prime is 157678628033. The next prime is 157678628047. The reversal of 157678628043 is 340826876751.

157678628043 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 340826876751 = 3 ⋅113608958917.

It is not a de Polignac number, because 157678628043 - 2¹⁶ = 157678562507 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (157678628047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26279771338 + ... + 26279771343.

It is an arithmetic number, because the mean of its divisors is an integer number (52559542682).

Almost surely, 2^157678628043 is an apocalyptic number.

157678628043 is a deficient number, since it is larger than the sum of its proper divisors (52559542685).

157678628043 is an equidigital number, since it uses as much as digits as its factorization.

157678628043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52559542684.

The product of its (nonzero) digits is 13547520, while the sum is 57.

The spelling of 157678628043 in words is "one hundred fifty-seven billion, six hundred seventy-eight million, six hundred twenty-eight thousand, forty-three".