80620983 has 6 divisors (see below), whose sum is σ = 116452544. Its totient is φ = 53747316.

The previous prime is 80620979. The next prime is 80620993. The reversal of 80620983 is 38902608.

It is not a de Polignac number, because 80620983 - 2² = 80620979 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80620993) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4478935 + ... + 4478952.

Almost surely, 2^80620983 is an apocalyptic number.

80620983 is a deficient number, since it is larger than the sum of its proper divisors (35831561).

80620983 is a wasteful number, since it uses less digits than its factorization.

80620983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8957893 (or 8957890 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 80620983 is about 8978.9188101909. The cubic root of 80620983 is about 431.9989551158.

The spelling of 80620983 in words is "eighty million, six hundred twenty thousand, nine hundred eighty-three".