80993465 has 16 divisors (see below), whose sum is σ = 115907328. Its totient is φ = 53123136.

The previous prime is 80993461. The next prime is 80993503. The reversal of 80993465 is 56439908.

It is a cyclic number.

It is not a de Polignac number, because 80993465 - 2² = 80993461 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80993461) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49502 + ... + 51111.

It is an arithmetic number, because the mean of its divisors is an integer number (7244208).

Almost surely, 2^80993465 is an apocalyptic number.

It is an amenable number.

80993465 is a deficient number, since it is larger than the sum of its proper divisors (34913863).

80993465 is a wasteful number, since it uses less digits than its factorization.

80993465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100648.

The product of its (nonzero) digits is 233280, while the sum is 44.

The square root of 80993465 is about 8999.6369371214. The cubic root of 80993465 is about 432.6632348522.

The spelling of 80993465 in words is "eighty million, nine hundred ninety-three thousand, four hundred sixty-five".