13077775800 has 288 divisors, whose sum is σ = 45399884400. Its totient is φ = 3371120640.

The previous prime is 13077775783. The next prime is 13077775817. The reversal of 13077775800 is 857777031.

It is an interprime number because it is at equal distance from previous prime (13077775783) and next prime (13077775817).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 11920852 + ... + 11921948.

Almost surely, 2^13077775800 is an apocalyptic number.

13077775800 is a gapful number since it is divisible by the number (10) 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 13077775800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22699942200).

13077775800 is an abundant number, since it is smaller than the sum of its proper divisors (32322108600).

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

13077775800 is a wasteful number, since it uses less digits than its factorization.

13077775800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1335 (or 1323 counting only the distinct ones).

The product of its (nonzero) digits is 288120, while the sum is 45.

The spelling of 13077775800 in words is "thirteen billion, seventy-seven million, seven hundred seventy-five thousand, eight hundred".