77245098 has 16 divisors (see below), whose sum is σ = 176560320. Its totient is φ = 22070016.

The previous prime is 77245097. The next prime is 77245141. The reversal of 77245098 is 89054277.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 1839169 = 77245098 / (7 + 7 + 2 + 4 + 5 + 0 + 9 + 8).

It is a plaindrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (77245097) 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 in 7 ways as a sum of consecutive naturals, for example, 919543 + ... + 919626.

It is an arithmetic number, because the mean of its divisors is an integer number (11035020).

Almost surely, 2^77245098 is an apocalyptic number.

77245098 is an abundant number, since it is smaller than the sum of its proper divisors (99315222).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

77245098 is a wasteful number, since it uses less digits than its factorization.

77245098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1839181.

The product of its (nonzero) digits is 141120, while the sum is 42.

The square root of 77245098 is about 8788.9190461626. The cubic root of 77245098 is about 425.8830047471.

The spelling of 77245098 in words is "seventy-seven million, two hundred forty-five thousand, ninety-eight".