157806377403 has 8 divisors (see below), whose sum is σ = 210410388816. Its totient is φ = 105203308800.

The previous prime is 157806377401. The next prime is 157806377413. The reversal of 157806377403 is 304773608751.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 157806377403 - 2¹ = 157806377401 is a prime.

It is not an unprimeable number, because it can be changed into a prime (157806377401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 399063 + ... + 689103.

It is an arithmetic number, because the mean of its divisors is an integer number (26301298602).

Almost surely, 2^157806377403 is an apocalyptic number.

157806377403 is a deficient number, since it is larger than the sum of its proper divisors (52604011413).

157806377403 is a wasteful number, since it uses less digits than its factorization.

157806377403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 471405.

The product of its (nonzero) digits is 2963520, while the sum is 51.

The spelling of 157806377403 in words is "one hundred fifty-seven billion, eight hundred six million, three hundred seventy-seven thousand, four hundred three".