88779447 has 6 divisors (see below), whose sum is σ = 128236992. Its totient is φ = 59186292.

The previous prime is 88779413. The next prime is 88779451. The reversal of 88779447 is 74497788.

It is not a de Polignac number, because 88779447 - 2¹¹ = 88777399 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 88779393 and 88779402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88779497) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4932183 + ... + 4932200.

It is an arithmetic number, because the mean of its divisors is an integer number (21372832).

Almost surely, 2^88779447 is an apocalyptic number.

88779447 is a deficient number, since it is larger than the sum of its proper divisors (39457545).

88779447 is a wasteful number, since it uses less digits than its factorization.

88779447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9864389 (or 9864386 counting only the distinct ones).

The product of its digits is 3161088, while the sum is 54.

The square root of 88779447 is about 9422.2845955745. The cubic root of 88779447 is about 446.1053981501.

The spelling of 88779447 in words is "eighty-eight million, seven hundred seventy-nine thousand, four hundred forty-seven".