88155428 has 6 divisors (see below), whose sum is σ = 154272006. Its totient is φ = 44077712.

The previous prime is 88155407. The next prime is 88155433. The reversal of 88155428 is 82455188.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 63075364 + 25080064 = 7942^2 + 5008^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11019425 + ... + 11019432.

It is an arithmetic number, because the mean of its divisors is an integer number (25712001).

Almost surely, 2^88155428 is an apocalyptic number.

It is an amenable number.

88155428 is a deficient number, since it is larger than the sum of its proper divisors (66116578).

88155428 is a wasteful number, since it uses less digits than its factorization.

88155428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22038861 (or 22038859 counting only the distinct ones).

The product of its digits is 102400, while the sum is 41.

The square root of 88155428 is about 9389.1122051022. The cubic root of 88155428 is about 445.0577343768.

The spelling of 88155428 in words is "eighty-eight million, one hundred fifty-five thousand, four hundred twenty-eight".