80780026 has 8 divisors (see below), whose sum is σ = 121508640. Its totient is φ = 40277148.

The previous prime is 80780023. The next prime is 80780033. The reversal of 80780026 is 62008708.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 80780026.

It is not an unprimeable number, because it can be changed into a prime (80780023) 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, 55536 + ... + 56971.

It is an arithmetic number, because the mean of its divisors is an integer number (15188580).

Almost surely, 2^80780026 is an apocalyptic number.

80780026 is a deficient number, since it is larger than the sum of its proper divisors (40728614).

80780026 is a wasteful number, since it uses less digits than its factorization.

80780026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112868.

The product of its (nonzero) digits is 5376, while the sum is 31.

The square root of 80780026 is about 8987.7709138585. The cubic root of 80780026 is about 432.2828401835.

The spelling of 80780026 in words is "eighty million, seven hundred eighty thousand, twenty-six".