88431037 has 4 divisors (see below), whose sum is σ = 88458460. Its totient is φ = 88403616.

The previous prime is 88431019. The next prime is 88431041. The reversal of 88431037 is 73013488.

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

It can be written as a sum of positive squares in 2 ways, for example, as 19971961 + 68459076 = 4469^2 + 8274^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-88431037 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 88430993 and 88431011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88431097) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8112 + ... + 15577.

It is an arithmetic number, because the mean of its divisors is an integer number (22114615).

Almost surely, 2^88431037 is an apocalyptic number.

It is an amenable number.

88431037 is a deficient number, since it is larger than the sum of its proper divisors (27423).

88431037 is a wasteful number, since it uses less digits than its factorization.

88431037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27422.

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 88431037 is about 9403.7778046910. Note that the first 3 decimals coincide. The cubic root of 88431037 is about 445.5210611450.

The spelling of 88431037 in words is "eighty-eight million, four hundred thirty-one thousand, thirty-seven".