80772438 has 8 divisors (see below), whose sum is σ = 161544888. Its totient is φ = 26924144.

The previous prime is 80772431. The next prime is 80772451. The reversal of 80772438 is 83427708.

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

80772438 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 80772396 and 80772405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80772431) 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, 6731031 + ... + 6731042.

It is an arithmetic number, because the mean of its divisors is an integer number (20193111).

Almost surely, 2^80772438 is an apocalyptic number.

80772438 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

80772438 is a wasteful number, since it uses less digits than its factorization.

80772438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13462078.

The product of its (nonzero) digits is 75264, while the sum is 39.

The square root of 80772438 is about 8987.3487748056. The cubic root of 80772438 is about 432.2693043915.

The spelling of 80772438 in words is "eighty million, seven hundred seventy-two thousand, four hundred thirty-eight".