88405393982 has 4 divisors (see below), whose sum is σ = 132608090976. Its totient is φ = 44202696990.

The previous prime is 88405393957. The next prime is 88405394003. The reversal of 88405393982 is 28939350488.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×88405393982² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22101348494 + ... + 22101348497.

It is an arithmetic number, because the mean of its divisors is an integer number (33152022744).

Almost surely, 2^88405393982 is an apocalyptic number.

88405393982 is a deficient number, since it is larger than the sum of its proper divisors (44202696994).

88405393982 is a wasteful number, since it uses less digits than its factorization.

88405393982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44202696993.

The product of its (nonzero) digits is 14929920, while the sum is 59.

The spelling of 88405393982 in words is "eighty-eight billion, four hundred five million, three hundred ninety-three thousand, nine hundred eighty-two".