77130098 has 4 divisors (see below), whose sum is σ = 115695150. Its totient is φ = 38565048.

The previous prime is 77130091. The next prime is 77130113. The reversal of 77130098 is 89003177.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 89003177 = 17 ⋅5235481.

It can be written as a sum of positive squares in only one way, i.e., 55011889 + 22118209 = 7417^2 + 4703^2 .

It is not an unprimeable number, because it can be changed into a prime (77130091) 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, 19282523 + ... + 19282526.

Almost surely, 2^77130098 is an apocalyptic number.

77130098 is a deficient number, since it is larger than the sum of its proper divisors (38565052).

77130098 is a wasteful number, since it uses less digits than its factorization.

77130098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38565051.

The product of its (nonzero) digits is 10584, while the sum is 35.

The square root of 77130098 is about 8782.3742803413. The cubic root of 77130098 is about 425.6715528370.

The spelling of 77130098 in words is "seventy-seven million, one hundred thirty thousand, ninety-eight".