157763780 has 12 divisors (see below), whose sum is σ = 331303980. Its totient is φ = 63105504.

The previous prime is 157763779. The next prime is 157763789. The reversal of 157763780 is 87367751.

It can be written as a sum of positive squares in 2 ways, for example, as 119596096 + 38167684 = 10936^2 + 6178^2 .

It is not an unprimeable number, because it can be changed into a prime (157763789) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3944075 + ... + 3944114.

It is an arithmetic number, because the mean of its divisors is an integer number (27608665).

Almost surely, 2^157763780 is an apocalyptic number.

157763780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

157763780 is an abundant number, since it is smaller than the sum of its proper divisors (173540200).

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

157763780 is a wasteful number, since it uses less digits than its factorization.

157763780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7888198 (or 7888196 counting only the distinct ones).

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

The square root of 157763780 is about 12560.4052482394. The cubic root of 157763780 is about 540.3424668045.

The spelling of 157763780 in words is "one hundred fifty-seven million, seven hundred sixty-three thousand, seven hundred eighty".