157963394770 has 16 divisors (see below), whose sum is σ = 284369286168. Its totient is φ = 63177541120.

The previous prime is 157963394713. The next prime is 157963394791. The reversal of 157963394770 is 77493369751.

157963394770 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 157711442641 + 251952129 = 397129^2 + 15873^2 .

It is a junction number, because it is equal to n+sod(n) for n = 157963394699 and 157963394708.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 891871 + ... + 1054210.

Almost surely, 2^157963394770 is an apocalyptic number.

157963394770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

157963394770 is a deficient number, since it is larger than the sum of its proper divisors (126405891398).

157963394770 is a wasteful number, since it uses less digits than its factorization.

157963394770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1954205.

The product of its (nonzero) digits is 30005640, while the sum is 61.

The spelling of 157963394770 in words is "one hundred fifty-seven billion, nine hundred sixty-three million, three hundred ninety-four thousand, seven hundred seventy".