80700555 has 16 divisors (see below), whose sum is σ = 139053600. Its totient is φ = 39729408.

The previous prime is 80700553. The next prime is 80700593. The reversal of 80700555 is 55500708.

It is a happy number.

It is not a de Polignac number, because 80700555 - 2¹ = 80700553 is a prime.

It is not an unprimeable number, because it can be changed into a prime (80700553) 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, 206730 + ... + 207119.

It is an arithmetic number, because the mean of its divisors is an integer number (8690850).

Almost surely, 2^80700555 is an apocalyptic number.

80700555 is a deficient number, since it is larger than the sum of its proper divisors (58353045).

80700555 is a wasteful number, since it uses less digits than its factorization.

80700555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 413870.

The product of its (nonzero) digits is 7000, while the sum is 30.

The square root of 80700555 is about 8983.3487631284. The cubic root of 80700555 is about 432.1410344129.

The spelling of 80700555 in words is "eighty million, seven hundred thousand, five hundred fifty-five".