157880776 has 32 divisors (see below), whose sum is σ = 307095480. Its totient is φ = 76032000.

The previous prime is 157880759. The next prime is 157880797. The reversal of 157880776 is 677088751.

It can be written as a sum of positive squares in 4 ways, for example, as 156900676 + 980100 = 12526^2 + 990^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27256 + ... + 32536.

Almost surely, 2^157880776 is an apocalyptic number.

It is an amenable number.

157880776 is a deficient number, since it is larger than the sum of its proper divisors (149214704).

157880776 is a wasteful number, since it uses less digits than its factorization.

157880776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5425 (or 5421 counting only the distinct ones).

The product of its (nonzero) digits is 658560, while the sum is 49.

The square root of 157880776 is about 12565.0617189093. The cubic root of 157880776 is about 540.4760046090.

The spelling of 157880776 in words is "one hundred fifty-seven million, eight hundred eighty thousand, seven hundred seventy-six".