80671755 has 16 divisors (see below), whose sum is σ = 129561120. Its totient is φ = 42862848.

The previous prime is 80671753. The next prime is 80671757. The reversal of 80671755 is 55717608.

It is an interprime number because it is at equal distance from previous prime (80671753) and next prime (80671757).

It is not a de Polignac number, because 80671755 - 2¹ = 80671753 is a prime.

It is not an unprimeable number, because it can be changed into a prime (80671751) 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, 5962 + ... + 14031.

It is an arithmetic number, because the mean of its divisors is an integer number (8097570).

Almost surely, 2^80671755 is an apocalyptic number.

80671755 is a deficient number, since it is larger than the sum of its proper divisors (48889365).

80671755 is a wasteful number, since it uses less digits than its factorization.

80671755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20270.

The product of its (nonzero) digits is 58800, while the sum is 39.

The square root of 80671755 is about 8981.7456543814. The cubic root of 80671755 is about 432.0896215381.

The spelling of 80671755 in words is "eighty million, six hundred seventy-one thousand, seven hundred fifty-five".