800001077498 has 12 divisors (see below), whose sum is σ = 1395920247642. Its totient is φ = 342857604600.

The previous prime is 800001077497. The next prime is 800001077593. The reversal of 800001077498 is 894770100008.

It can be written as a sum of positive squares in only one way, i.e., 757817257729 + 42183819769 = 870527^2 + 205387^2 .

It is a super-2 number, since 2×800001077498² (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (800001077497) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4081638053 + ... + 4081638248.

Almost surely, 2^800001077498 is an apocalyptic number.

800001077498 is a deficient number, since it is larger than the sum of its proper divisors (595919170144).

800001077498 is a wasteful number, since it uses less digits than its factorization.

800001077498 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8163276317 (or 8163276310 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 44.

The spelling of 800001077498 in words is "eight hundred billion, one million, seventy-seven thousand, four hundred ninety-eight".