77098427 has 8 divisors (see below), whose sum is σ = 89606400. Its totient is φ = 64963944.

The previous prime is 77098423. The next prime is 77098429. The reversal of 77098427 is 72489077.

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

It is a cyclic number.

It is not a de Polignac number, because 77098427 - 2² = 77098423 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (77098421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92927 + ... + 93752.

It is an arithmetic number, because the mean of its divisors is an integer number (11200800).

Almost surely, 2^77098427 is an apocalyptic number.

77098427 is a deficient number, since it is larger than the sum of its proper divisors (12507973).

77098427 is a wasteful number, since it uses less digits than its factorization.

77098427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186745.

The product of its (nonzero) digits is 197568, while the sum is 44.

The square root of 77098427 is about 8780.5709951005. The cubic root of 77098427 is about 425.6132820721.

The spelling of 77098427 in words is "seventy-seven million, ninety-eight thousand, four hundred twenty-seven".