157730454077 has 8 divisors (see below), whose sum is σ = 182288808000. Its totient is φ = 133678458144.

The previous prime is 157730454047. The next prime is 157730454109. The reversal of 157730454077 is 770454037751.

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

It is not a de Polignac number, because 157730454077 - 2¹⁴ = 157730437693 is a prime.

It is a super-2 number, since 2×157730454077² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157730454047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 126588827 + ... + 126590072.

It is an arithmetic number, because the mean of its divisors is an integer number (22786101000).

Almost surely, 2^157730454077 is an apocalyptic number.

It is an amenable number.

157730454077 is a deficient number, since it is larger than the sum of its proper divisors (24558353923).

157730454077 is an equidigital number, since it uses as much as digits as its factorization.

157730454077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253178995.

The product of its (nonzero) digits is 2881200, while the sum is 50.

The spelling of 157730454077 in words is "one hundred fifty-seven billion, seven hundred thirty million, four hundred fifty-four thousand, seventy-seven".