80951438 has 16 divisors (see below), whose sum is σ = 128008320. Its totient is φ = 38288376.

The previous prime is 80951401. The next prime is 80951443. The reversal of 80951438 is 83415908.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35645 + ... + 37847.

It is an arithmetic number, because the mean of its divisors is an integer number (8000520).

Almost surely, 2^80951438 is an apocalyptic number.

80951438 is a deficient number, since it is larger than the sum of its proper divisors (47056882).

80951438 is a wasteful number, since it uses less digits than its factorization.

80951438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3191.

The product of its (nonzero) digits is 34560, while the sum is 38.

The square root of 80951438 is about 8997.3017066229. The cubic root of 80951438 is about 432.5883864934.

The spelling of 80951438 in words is "eighty million, nine hundred fifty-one thousand, four hundred thirty-eight".