76773898 has 8 divisors (see below), whose sum is σ = 115218180. Its totient is φ = 38367840.

The previous prime is 76773883. The next prime is 76773899. The reversal of 76773898 is 89837767.

It can be written as a sum of positive squares in 2 ways, for example, as 71284249 + 5489649 = 8443^2 + 2343^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×76773898² = 11788462828228808, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (76773899) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3853 + ... + 12976.

Almost surely, 2^76773898 is an apocalyptic number.

76773898 is a deficient number, since it is larger than the sum of its proper divisors (38444282).

76773898 is a wasteful number, since it uses less digits than its factorization.

76773898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19112.

The product of its digits is 3556224, while the sum is 55.

The square root of 76773898 is about 8762.0715587126. The cubic root of 76773898 is about 425.0152668103.

The spelling of 76773898 in words is "seventy-six million, seven hundred seventy-three thousand, eight hundred ninety-eight".