80877552 has 40 divisors (see below), whose sum is σ = 238782336. Its totient is φ = 23107776.

The previous prime is 80877529. The next prime is 80877583. The reversal of 80877552 is 25577808.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 120018 + ... + 120689.

Almost surely, 2^80877552 is an apocalyptic number.

It is an amenable number.

80877552 is an abundant number, since it is smaller than the sum of its proper divisors (157904784).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

80877552 is a wasteful number, since it uses less digits than its factorization.

80877552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240725 (or 240719 counting only the distinct ones).

The product of its (nonzero) digits is 156800, while the sum is 42.

The square root of 80877552 is about 8993.1947604842. The cubic root of 80877552 is about 432.4567357349.

The spelling of 80877552 in words is "eighty million, eight hundred seventy-seven thousand, five hundred fifty-two".