77238098 has 16 divisors (see below), whose sum is σ = 133453824. Its totient is φ = 32840640.

The previous prime is 77238079. The next prime is 77238101. The reversal of 77238098 is 89083277.

It is a happy number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 19943 + ... + 23498.

It is an arithmetic number, because the mean of its divisors is an integer number (8340864).

Almost surely, 2^77238098 is an apocalyptic number.

77238098 is a deficient number, since it is larger than the sum of its proper divisors (56215726).

77238098 is a wasteful number, since it uses less digits than its factorization.

77238098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43577.

The product of its (nonzero) digits is 169344, while the sum is 44.

The square root of 77238098 is about 8788.5208084182. The cubic root of 77238098 is about 425.8701397621.

The spelling of 77238098 in words is "seventy-seven million, two hundred thirty-eight thousand, ninety-eight".