80610887 has 4 divisors (see below), whose sum is σ = 92126736. Its totient is φ = 69095040.

The previous prime is 80610869. The next prime is 80610899. The reversal of 80610887 is 78801608.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 80610887 - 2⁶ = 80610823 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 80610887.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80610287) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5757914 + ... + 5757927.

It is an arithmetic number, because the mean of its divisors is an integer number (23031684).

Almost surely, 2^80610887 is an apocalyptic number.

80610887 is a deficient number, since it is larger than the sum of its proper divisors (11515849).

80610887 is a wasteful number, since it uses less digits than its factorization.

80610887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11515848.

The product of its (nonzero) digits is 21504, while the sum is 38.

The square root of 80610887 is about 8978.3565868148. The cubic root of 80610887 is about 431.9809215826.

The spelling of 80610887 in words is "eighty million, six hundred ten thousand, eight hundred eighty-seven".