65087037400 has 288 divisors, whose sum is σ = 196667100000. Its totient is φ = 19585843200.

The previous prime is 65087037293. The next prime is 65087037409. The reversal of 65087037400 is 473078056.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65087037409) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 4905976 + ... + 4919224.

It is an arithmetic number, because the mean of its divisors is an integer number (682871875).

Almost surely, 2^65087037400 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 65087037400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (98333550000).

65087037400 is an abundant number, since it is smaller than the sum of its proper divisors (131580062600).

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

65087037400 is a wasteful number, since it uses less digits than its factorization.

65087037400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13323 (or 13303 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 40.

The spelling of 65087037400 in words is "sixty-five billion, eighty-seven million, thirty-seven thousand, four hundred".