88946131858 has 4 divisors (see below), whose sum is σ = 133419197790. Its totient is φ = 44473065928.

The previous prime is 88946131853. The next prime is 88946131909. The reversal of 88946131858 is 85813164988.

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

It can be written as a sum of positive squares in only one way, i.e., 55673818209 + 33272313649 = 235953^2 + 182407^2 .

It is a super-2 number, since 2×88946131858² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 88946131796 and 88946131805.

It is not an unprimeable number, because it can be changed into a prime (88946131853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22236532963 + ... + 22236532966.

Almost surely, 2^88946131858 is an apocalyptic number.

88946131858 is a deficient number, since it is larger than the sum of its proper divisors (44473065932).

88946131858 is a wasteful number, since it uses less digits than its factorization.

88946131858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44473065931.

The product of its digits is 13271040, while the sum is 61.

The spelling of 88946131858 in words is "eighty-eight billion, nine hundred forty-six million, one hundred thirty-one thousand, eight hundred fifty-eight".