80625592819 has 4 divisors (see below), whose sum is σ = 81828959944. Its totient is φ = 79422225696.

The previous prime is 80625592799. The next prime is 80625592837. The reversal of 80625592819 is 91829552608.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 80625592819 - 2²⁷ = 80491375091 is a prime.

It is a super-2 number, since 2×80625592819² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 80625592819.

It is not an unprimeable number, because it can be changed into a prime (80625592919) 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, 601683462 + ... + 601683595.

It is an arithmetic number, because the mean of its divisors is an integer number (20457239986).

Almost surely, 2^80625592819 is an apocalyptic number.

80625592819 is a deficient number, since it is larger than the sum of its proper divisors (1203367125).

80625592819 is a wasteful number, since it uses less digits than its factorization.

80625592819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1203367124.

The product of its (nonzero) digits is 3110400, while the sum is 55.

The spelling of 80625592819 in words is "eighty billion, six hundred twenty-five million, five hundred ninety-two thousand, eight hundred nineteen".