80650895 has 32 divisors (see below), whose sum is σ = 108972864. Its totient is φ = 56908800.

The previous prime is 80650879. The next prime is 80650897. The reversal of 80650895 is 59805608.

It is not a de Polignac number, because 80650895 - 2⁴ = 80650879 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80650897) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 140960 + ... + 141530.

It is an arithmetic number, because the mean of its divisors is an integer number (3405402).

Almost surely, 2^80650895 is an apocalyptic number.

80650895 is a deficient number, since it is larger than the sum of its proper divisors (28321969).

80650895 is a wasteful number, since it uses less digits than its factorization.

With its successor (80650896) it forms an eRAP, since the sums of their prime factors are consecutive (683 and 684).

80650895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 683.

The product of its (nonzero) digits is 86400, while the sum is 41.

The square root of 80650895 is about 8980.5843351087. The cubic root of 80650895 is about 432.0523752656.

The spelling of 80650895 in words is "eighty million, six hundred fifty thousand, eight hundred ninety-five".