78202036560 has 160 divisors (see below), whose sum is σ = 243802074240. Its totient is φ = 20735852544.

The previous prime is 78202036547. The next prime is 78202036613. The reversal of 78202036560 is 6563020287.

It is a super-2 number, since 2×78202036560² (a number of 23 digits) contains 22 as substring.

It is a congruent 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, 69266076 + ... + 69267204.

It is an arithmetic number, because the mean of its divisors is an integer number (1523762964).

Almost surely, 2^78202036560 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 78202036560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (121901037120).

78202036560 is an abundant number, since it is smaller than the sum of its proper divisors (165600037680).

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

78202036560 is a wasteful number, since it uses less digits than its factorization.

78202036560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2525 (or 2519 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 39.

The spelling of 78202036560 in words is "seventy-eight billion, two hundred two million, thirty-six thousand, five hundred sixty".