157808543962 has 8 divisors (see below), whose sum is σ = 236715215796. Its totient is φ = 78903472032.

The previous prime is 157808543951. The next prime is 157808543987. The reversal of 157808543962 is 269345808751.

It can be written as a sum of positive squares in 2 ways, for example, as 138042714681 + 19765829281 = 371541^2 + 140591^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 157808543897 and 157808543906.

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, 111883 + ... + 572830.

It is a 2-persistent number, because it is pandigital, and so is 2⋅157808543962 = 315617087924, but 3⋅157808543962 = 473425631886 is not.

Almost surely, 2^157808543962 is an apocalyptic number.

157808543962 is a deficient number, since it is larger than the sum of its proper divisors (78906671834).

157808543962 is a wasteful number, since it uses less digits than its factorization.

157808543962 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 799952.

The product of its (nonzero) digits is 14515200, while the sum is 58.

The spelling of 157808543962 in words is "one hundred fifty-seven billion, eight hundred eight million, five hundred forty-three thousand, nine hundred sixty-two".