157435955477 has 2 divisors, whose sum is σ = 157435955478. Its totient is φ = 157435955476.

The previous prime is 157435955471. The next prime is 157435955543. The reversal of 157435955477 is 774559534751.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 118298850916 + 39137104561 = 343946^2 + 197831^2 .

It is a cyclic number.

It is not a de Polignac number, because 157435955477 - 2⁸ = 157435955221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another 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 as a sum of consecutive naturals, namely, 78717977738 + 78717977739.

It is an arithmetic number, because the mean of its divisors is an integer number (78717977739).

Almost surely, 2^157435955477 is an apocalyptic number.

It is an amenable number.

157435955477 is a deficient number, since it is larger than the sum of its proper divisors (1).

157435955477 is an equidigital number, since it uses as much as digits as its factorization.

157435955477 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 92610000, while the sum is 62.

The spelling of 157435955477 in words is "one hundred fifty-seven billion, four hundred thirty-five million, nine hundred fifty-five thousand, four hundred seventy-seven".