80754953 has 4 divisors (see below), whose sum is σ = 82724628. Its totient is φ = 78785280.

The previous prime is 80754943. The next prime is 80755007. The reversal of 80754953 is 35945708.

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 15904144 + 64850809 = 3988^2 + 8053^2 .

It is a cyclic number.

It is not a de Polignac number, because 80754953 - 2⁸ = 80754697 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41), and also a Moran number because the ratio is a prime number: 1969633 = 80754953 / (8 + 0 + 7 + 5 + 4 + 9 + 5 + 3).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 80754953.

It is not an unprimeable number, because it can be changed into a prime (80754923) 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, 984776 + ... + 984857.

It is an arithmetic number, because the mean of its divisors is an integer number (20681157).

Almost surely, 2^80754953 is an apocalyptic number.

It is an amenable number.

80754953 is a deficient number, since it is larger than the sum of its proper divisors (1969675).

80754953 is a wasteful number, since it uses less digits than its factorization.

80754953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1969674.

The product of its (nonzero) digits is 151200, while the sum is 41.

The square root of 80754953 is about 8986.3759658719. The cubic root of 80754953 is about 432.2381106888.

The spelling of 80754953 in words is "eighty million, seven hundred fifty-four thousand, nine hundred fifty-three".