157480786 has 4 divisors (see below), whose sum is σ = 236221182. Its totient is φ = 78740392.

The previous prime is 157480777. The next prime is 157480849. The reversal of 157480786 is 687084751.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 687084751 = 11807 ⋅58193.

It can be written as a sum of positive squares in only one way, i.e., 94770225 + 62710561 = 9735^2 + 7919^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39370195 + ... + 39370198.

Almost surely, 2^157480786 is an apocalyptic number.

157480786 is a deficient number, since it is larger than the sum of its proper divisors (78740396).

157480786 is an equidigital number, since it uses as much as digits as its factorization.

157480786 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78740395.

The product of its (nonzero) digits is 376320, while the sum is 46.

The square root of 157480786 is about 12549.1348705797. The cubic root of 157480786 is about 540.0191877041.

The spelling of 157480786 in words is "one hundred fifty-seven million, four hundred eighty thousand, seven hundred eighty-six".