80783451 has 12 divisors (see below), whose sum is σ = 133356912. Its totient is φ = 46161936.

The previous prime is 80783447. The next prime is 80783467. The reversal of 80783451 is 15438708.

It is not a de Polignac number, because 80783451 - 2² = 80783447 is a prime.

It is not an unprimeable number, because it can be changed into a prime (80783401) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 641076 + ... + 641201.

It is an arithmetic number, because the mean of its divisors is an integer number (11113076).

Almost surely, 2^80783451 is an apocalyptic number.

80783451 is a deficient number, since it is larger than the sum of its proper divisors (52573461).

80783451 is a wasteful number, since it uses less digits than its factorization.

80783451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1282290 (or 1282287 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

The square root of 80783451 is about 8987.9614485155. The cubic root of 80783451 is about 432.2889495643.

The spelling of 80783451 in words is "eighty million, seven hundred eighty-three thousand, four hundred fifty-one".