88190842 has 8 divisors (see below), whose sum is σ = 132593076. Its totient is φ = 43993152.

The previous prime is 88190821. The next prime is 88190857. The reversal of 88190842 is 24809188.

It can be written as a sum of positive squares in 2 ways, for example, as 85729081 + 2461761 = 9259^2 + 1569^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×88190842² = 15555249225337928, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 88190795 and 88190804.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50053 + ... + 51784.

Almost surely, 2^88190842 is an apocalyptic number.

88190842 is a deficient number, since it is larger than the sum of its proper divisors (44402234).

88190842 is a wasteful number, since it uses less digits than its factorization.

88190842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102272.

The product of its (nonzero) digits is 36864, while the sum is 40.

The square root of 88190842 is about 9390.9979235436. The cubic root of 88190842 is about 445.1173229349.

The spelling of 88190842 in words is "eighty-eight million, one hundred ninety thousand, eight hundred forty-two".