98779477 has 8 divisors (see below), whose sum is σ = 101033856. Its totient is φ = 96531552.

The previous prime is 98779463. The next prime is 98779493. The reversal of 98779477 is 77497789.

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 98779477 - 2²³ = 90390869 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98779427) 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, 42918 + ... + 45160.

It is an arithmetic number, because the mean of its divisors is an integer number (12629232).

Almost surely, 2^98779477 is an apocalyptic number.

It is an amenable number.

98779477 is a deficient number, since it is larger than the sum of its proper divisors (2254379).

98779477 is a wasteful number, since it uses less digits than its factorization.

98779477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3227.

The product of its digits is 6223392, while the sum is 58.

The square root of 98779477 is about 9938.7864953424. The cubic root of 98779477 is about 462.2627594575.

The spelling of 98779477 in words is "ninety-eight million, seven hundred seventy-nine thousand, four hundred seventy-seven".