157771220824 has 16 divisors (see below), whose sum is σ = 338081187600. Its totient is φ = 67616237472.

The previous prime is 157771220821. The next prime is 157771220843. The reversal of 157771220824 is 428022177751.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157771220821) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1408671559 + ... + 1408671670.

It is an arithmetic number, because the mean of its divisors is an integer number (21130074225).

Almost surely, 2^157771220824 is an apocalyptic number.

157771220824 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

157771220824 is an abundant number, since it is smaller than the sum of its proper divisors (180309966776).

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

157771220824 is a wasteful number, since it uses less digits than its factorization.

157771220824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2817343242 (or 2817343238 counting only the distinct ones).

The product of its (nonzero) digits is 439040, while the sum is 46.

The spelling of 157771220824 in words is "one hundred fifty-seven billion, seven hundred seventy-one million, two hundred twenty thousand, eight hundred twenty-four".