80752551 has 32 divisors (see below), whose sum is σ = 122173440. Its totient is φ = 47001600.

The previous prime is 80752543. The next prime is 80752561. The reversal of 80752551 is 15525708.

It is a happy number.

It is not a de Polignac number, because 80752551 - 2³ = 80752543 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80752531) 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, 197235 + ... + 197643.

It is an arithmetic number, because the mean of its divisors is an integer number (3817920).

Almost surely, 2^80752551 is an apocalyptic number.

80752551 is a deficient number, since it is larger than the sum of its proper divisors (41420889).

80752551 is a wasteful number, since it uses less digits than its factorization.

80752551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 647.

The product of its (nonzero) digits is 14000, while the sum is 33.

The square root of 80752551 is about 8986.2423181216. The cubic root of 80752551 is about 432.2338251055.

The spelling of 80752551 in words is "eighty million, seven hundred fifty-two thousand, five hundred fifty-one".