157829764 has 6 divisors (see below), whose sum is σ = 276202094. Its totient is φ = 78914880.

The previous prime is 157829761. The next prime is 157829797. The reversal of 157829764 is 467928751.

It can be written as a sum of positive squares in only one way, i.e., 155750400 + 2079364 = 12480^2 + 1442^2 .

It is not an unprimeable number, because it can be changed into a prime (157829761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19728717 + ... + 19728724.

Almost surely, 2^157829764 is an apocalyptic number.

It is an amenable number.

157829764 is a deficient number, since it is larger than the sum of its proper divisors (118372330).

157829764 is a wasteful number, since it uses less digits than its factorization.

157829764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39457445 (or 39457443 counting only the distinct ones).

The product of its digits is 846720, while the sum is 49.

The square root of 157829764 is about 12563.0316404919. The cubic root of 157829764 is about 540.4177882498.

It can be divided in two parts, 157 and 829764, that added together give a square (829921 = 911²).

The spelling of 157829764 in words is "one hundred fifty-seven million, eight hundred twenty-nine thousand, seven hundred sixty-four".