80551628 has 6 divisors (see below), whose sum is σ = 140965356. Its totient is φ = 40275812.

The previous prime is 80551591. The next prime is 80551649. The reversal of 80551628 is 82615508.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10068950 + ... + 10068957.

It is an arithmetic number, because the mean of its divisors is an integer number (23494226).

Almost surely, 2^80551628 is an apocalyptic number.

It is an amenable number.

80551628 is a deficient number, since it is larger than the sum of its proper divisors (60413728).

80551628 is a wasteful number, since it uses less digits than its factorization.

80551628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20137911 (or 20137909 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 35.

The square root of 80551628 is about 8975.0558772634. The cubic root of 80551628 is about 431.8750424485.

The spelling of 80551628 in words is "eighty million, five hundred fifty-one thousand, six hundred twenty-eight".