157753028728 has 16 divisors (see below), whose sum is σ = 308647230480. Its totient is φ = 75447100608.

The previous prime is 157753028647. The next prime is 157753028767. The reversal of 157753028728 is 827820357751.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 428676525 + ... + 428676892.

It is an arithmetic number, because the mean of its divisors is an integer number (19290451905).

Almost surely, 2^157753028728 is an apocalyptic number.

It is an amenable number.

157753028728 is a deficient number, since it is larger than the sum of its proper divisors (150894201752).

157753028728 is a wasteful number, since it uses less digits than its factorization.

157753028728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 857353446 (or 857353442 counting only the distinct ones).

The product of its (nonzero) digits is 6585600, while the sum is 55.

The spelling of 157753028728 in words is "one hundred fifty-seven billion, seven hundred fifty-three million, twenty-eight thousand, seven hundred twenty-eight".