65738029784 has 32 divisors (see below), whose sum is σ = 146991870720. Its totient is φ = 26948508576.

The previous prime is 65738029781. The next prime is 65738029787. The reversal of 65738029784 is 48792083756.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (65738029781) and next prime (65738029787).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65738029781) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25518134 + ... + 25520709.

It is an arithmetic number, because the mean of its divisors is an integer number (4593495960).

Almost surely, 2^65738029784 is an apocalyptic number.

It is an amenable number.

65738029784 is an abundant number, since it is smaller than the sum of its proper divisors (81253840936).

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

65738029784 is a wasteful number, since it uses less digits than its factorization.

65738029784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51038879 (or 51038875 counting only the distinct ones).

The product of its (nonzero) digits is 20321280, while the sum is 59.

The spelling of 65738029784 in words is "sixty-five billion, seven hundred thirty-eight million, twenty-nine thousand, seven hundred eighty-four".