157787630 has 96 divisors (see below), whose sum is σ = 384495552. Its totient is φ = 45365760.

The previous prime is 157787629. The next prime is 157787633. The reversal of 157787630 is 36787751.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157787633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 109394 + ... + 110826.

It is an arithmetic number, because the mean of its divisors is an integer number (4005162).

Almost surely, 2^157787630 is an apocalyptic number.

157787630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

157787630 is an abundant number, since it is smaller than the sum of its proper divisors (226707922).

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

157787630 is a wasteful number, since it uses less digits than its factorization.

157787630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1482 (or 1471 counting only the distinct ones).

The product of its (nonzero) digits is 246960, while the sum is 44.

The square root of 157787630 is about 12561.3546244026. The cubic root of 157787630 is about 540.3696942591.

It can be divided in two parts, 157 and 787630, that added together give a palindrome (787787).

The spelling of 157787630 in words is "one hundred fifty-seven million, seven hundred eighty-seven thousand, six hundred thirty".