812726098 has 4 divisors (see below), whose sum is σ = 1219089150. Its totient is φ = 406363048.

The previous prime is 812726087. The next prime is 812726111. The reversal of 812726098 is 890627218.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 727219089 + 85507009 = 26967^2 + 9247^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 203181523 + ... + 203181526.

Almost surely, 2^812726098 is an apocalyptic number.

812726098 is a deficient number, since it is larger than the sum of its proper divisors (406363052).

812726098 is a wasteful number, since it uses less digits than its factorization.

812726098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 406363051.

The product of its (nonzero) digits is 96768, while the sum is 43.

The square root of 812726098 is about 28508.3513728872. The cubic root of 812726098 is about 933.2143363879.

It can be divided in two parts, 8127 and 26098, that added together give a square (34225 = 185²).

The spelling of 812726098 in words is "eight hundred twelve million, seven hundred twenty-six thousand, ninety-eight".