80523617610 has 64 divisors (see below), whose sum is σ = 197852307840. Its totient is φ = 20962851840.

The previous prime is 80523617521. The next prime is 80523617623. The reversal of 80523617610 is 1671632508.

It is a super-2 number, since 2×80523617610² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2679870 + ... + 2709750.

It is an arithmetic number, because the mean of its divisors is an integer number (3091442310).

Almost surely, 2^80523617610 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80523617610, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (98926153920).

80523617610 is an abundant number, since it is smaller than the sum of its proper divisors (117328690230).

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

80523617610 is a wasteful number, since it uses less digits than its factorization.

80523617610 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32023.

The product of its (nonzero) digits is 60480, while the sum is 39.

The spelling of 80523617610 in words is "eighty billion, five hundred twenty-three million, six hundred seventeen thousand, six hundred ten".