157747702752 has 72 divisors (see below), whose sum is σ = 450126311544. Its totient is φ = 52403076864.

The previous prime is 157747702751. The next prime is 157747702771. The reversal of 157747702752 is 257207747751.

It is a happy number.

157747702752 is a `hidden beast` number, since 1 + 577 + 47 + 7 + 0 + 27 + 5 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157747702751) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 850318 + ... + 1019085.

It is an arithmetic number, because the mean of its divisors is an integer number (6251754327).

Almost surely, 2^157747702752 is an apocalyptic number.

157747702752 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

157747702752 is an abundant number, since it is smaller than the sum of its proper divisors (292378608792).

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

157747702752 is a wasteful number, since it uses less digits than its factorization.

157747702752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1869712 (or 1869701 counting only the distinct ones).

The product of its (nonzero) digits is 6722800, while the sum is 54.

The spelling of 157747702752 in words is "one hundred fifty-seven billion, seven hundred forty-seven million, seven hundred two thousand, seven hundred fifty-two".