80526465738 has 40 divisors (see below), whose sum is σ = 180575389632. Its totient is φ = 26821855944.

The previous prime is 80526465707. The next prime is 80526465751. The reversal of 80526465738 is 83756462508.

80526465738 is a `hidden beast` number, since 8 + 0 + 5 + 2 + 64 + 6 + 573 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 27681 + ... + 402267.

Almost surely, 2^80526465738 is an apocalyptic number.

80526465738 is an abundant number, since it is smaller than the sum of its proper divisors (100048923894).

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

80526465738 is a wasteful number, since it uses less digits than its factorization.

80526465738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 375928 (or 375919 counting only the distinct ones).

The product of its (nonzero) digits is 9676800, while the sum is 54.

The spelling of 80526465738 in words is "eighty billion, five hundred twenty-six million, four hundred sixty-five thousand, seven hundred thirty-eight".