76899898 has 4 divisors (see below), whose sum is σ = 115349850. Its totient is φ = 38449948.

The previous prime is 76899883. The next prime is 76899899. The reversal of 76899898 is 89899867.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 89899867 = 79 ⋅1137973.

It can be written as a sum of positive squares in only one way, i.e., 55249489 + 21650409 = 7433^2 + 4653^2 .

It is not an unprimeable number, because it can be changed into a prime (76899899) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19224973 + ... + 19224976.

Almost surely, 2^76899898 is an apocalyptic number.

76899898 is a deficient number, since it is larger than the sum of its proper divisors (38449952).

76899898 is a wasteful number, since it uses less digits than its factorization.

76899898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38449951.

The product of its digits is 15676416, while the sum is 64.

The square root of 76899898 is about 8769.2586915885. The cubic root of 76899898 is about 425.2476489763.

The spelling of 76899898 in words is "seventy-six million, eight hundred ninety-nine thousand, eight hundred ninety-eight".