80648997 has 24 divisors (see below), whose sum is σ = 127034208. Its totient is φ = 45115200.

The previous prime is 80648983. The next prime is 80648999. The reversal of 80648997 is 79984608.

It is a happy number.

It is not a de Polignac number, because 80648997 - 2¹¹ = 80646949 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80648999) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1654 + ... + 12807.

It is an arithmetic number, because the mean of its divisors is an integer number (5293092).

Almost surely, 2^80648997 is an apocalyptic number.

It is an amenable number.

80648997 is a deficient number, since it is larger than the sum of its proper divisors (46385211).

80648997 is a wasteful number, since it uses less digits than its factorization.

80648997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14501 (or 14488 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 51.

The square root of 80648997 is about 8980.4786620759. The cubic root of 80648997 is about 432.0489860003.

The spelling of 80648997 in words is "eighty million, six hundred forty-eight thousand, nine hundred ninety-seven".