88991626 has 4 divisors (see below), whose sum is σ = 133487442. Its totient is φ = 44495812.

The previous prime is 88991621. The next prime is 88991629. The reversal of 88991626 is 62619988.

It is a happy number.

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., 48986001 + 40005625 = 6999^2 + 6325^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 88991626.

It is not an unprimeable number, because it can be changed into a prime (88991621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22247905 + ... + 22247908.

Almost surely, 2^88991626 is an apocalyptic number.

88991626 is a deficient number, since it is larger than the sum of its proper divisors (44495816).

88991626 is a wasteful number, since it uses less digits than its factorization.

88991626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44495815.

The product of its digits is 373248, while the sum is 49.

The square root of 88991626 is about 9433.5373005040. The cubic root of 88991626 is about 446.4605062071.

The spelling of 88991626 in words is "eighty-eight million, nine hundred ninety-one thousand, six hundred twenty-six".