157435955478 has 32 divisors (see below), whose sum is σ = 356458773600. Its totient is φ = 51488487648.

The previous prime is 157435955477. The next prime is 157435955543. The reversal of 157435955478 is 874559534751.

157435955478 is a `hidden beast` number, since 1 + 5 + 7 + 4 + 3 + 5 + 9 + 554 + 78 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157435955471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27501673 + ... + 27507396.

It is an arithmetic number, because the mean of its divisors is an integer number (11139336675).

Almost surely, 2^157435955478 is an apocalyptic number.

157435955478 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

157435955478 is an abundant number, since it is smaller than the sum of its proper divisors (199022818122).

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

157435955478 is a wasteful number, since it uses less digits than its factorization.

157435955478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55009133 (or 55009127 counting only the distinct ones).

The product of its digits is 105840000, while the sum is 63.

The spelling of 157435955478 in words is "one hundred fifty-seven billion, four hundred thirty-five million, nine hundred fifty-five thousand, four hundred seventy-eight".