88784090 has 16 divisors (see below), whose sum is σ = 164131272. Its totient is φ = 34553664.

The previous prime is 88784077. The next prime is 88784099. The reversal of 88784090 is 9048788.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 86620249 + 2163841 = 9307^2 + 1471^2 .

It is a super-2 number, since 2×88784090² = 15765229274256200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (88784099) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119609 + ... + 120348.

Almost surely, 2^88784090 is an apocalyptic number.

88784090 is a deficient number, since it is larger than the sum of its proper divisors (75347182).

88784090 is a wasteful number, since it uses less digits than its factorization.

88784090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240001.

The product of its (nonzero) digits is 129024, while the sum is 44.

The square root of 88784090 is about 9422.5309763354. The cubic root of 88784090 is about 446.1131748422.

The spelling of 88784090 in words is "eighty-eight million, seven hundred eighty-four thousand, ninety".