80695699200 has 270 divisors, whose sum is σ = 298370684304. Its totient is φ = 21518714880.

The previous prime is 80695699171. The next prime is 80695699223. The reversal of 80695699200 is 299659608.

It is a tau number, because it is divible by the number of its divisors (270).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 440569 + ... + 596231.

Almost surely, 2^80695699200 is an apocalyptic number.

80695699200 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80695699200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (149185342152).

80695699200 is an abundant number, since it is smaller than the sum of its proper divisors (217674985104).

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

80695699200 is a wasteful number, since it uses less digits than its factorization.

80695699200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155701 (or 155673 counting only the distinct ones).

The product of its (nonzero) digits is 2099520, while the sum is 54.

The spelling of 80695699200 in words is "eighty billion, six hundred ninety-five million, six hundred ninety-nine thousand, two hundred".