98771378 has 8 divisors (see below), whose sum is σ = 151770780. Its totient is φ = 48181120.

The previous prime is 98771371. The next prime is 98771401. The reversal of 98771378 is 87317789.

It can be written as a sum of positive squares in 2 ways, for example, as 86359849 + 12411529 = 9293^2 + 3523^2 .

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

It is a super-4 number, since 4×98771378⁴ (a number of 33 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (98771371) 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 3 ways as a sum of consecutive naturals, for example, 602183 + ... + 602346.

Almost surely, 2^98771378 is an apocalyptic number.

98771378 is a deficient number, since it is larger than the sum of its proper divisors (52999402).

98771378 is a wasteful number, since it uses less digits than its factorization.

98771378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1204572.

The product of its digits is 592704, while the sum is 50.

The square root of 98771378 is about 9938.3790428822. The cubic root of 98771378 is about 462.2501253607.

The spelling of 98771378 in words is "ninety-eight million, seven hundred seventy-one thousand, three hundred seventy-eight".