798878474 has 4 divisors (see below), whose sum is σ = 1198317714. Its totient is φ = 399439236.

The previous prime is 798878471. The next prime is 798878491. The reversal of 798878474 is 474878897.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 474878897 = 907 ⋅523571.

It can be written as a sum of positive squares in only one way, i.e., 566773249 + 232105225 = 23807^2 + 15235^2 .

It is not an unprimeable number, because it can be changed into a prime (798878471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 199719617 + ... + 199719620.

Almost surely, 2^798878474 is an apocalyptic number.

798878474 is a deficient number, since it is larger than the sum of its proper divisors (399439240).

798878474 is a wasteful number, since it uses less digits than its factorization.

798878474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 399439239.

The product of its digits is 25288704, while the sum is 62.

The square root of 798878474 is about 28264.4383280475. The cubic root of 798878474 is about 927.8837586331.

The spelling of 798878474 in words is "seven hundred ninety-eight million, eight hundred seventy-eight thousand, four hundred seventy-four".