738778073628 has 96 divisors (see below), whose sum is σ = 1991315307520. Its totient is φ = 208809861120.

The previous prime is 738778073609. The next prime is 738778073647. The reversal of 738778073628 is 826370877837.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (738778073609) and next prime (738778073647).

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, 5713500 + ... + 5841372.

Almost surely, 2^738778073628 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 738778073628, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (995657653760).

738778073628 is an abundant number, since it is smaller than the sum of its proper divisors (1252537233892).

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

738778073628 is a wasteful number, since it uses less digits than its factorization.

738778073628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128627 (or 128625 counting only the distinct ones).

The product of its (nonzero) digits is 132765696, while the sum is 66.

The spelling of 738778073628 in words is "seven hundred thirty-eight billion, seven hundred seventy-eight million, seventy-three thousand, six hundred twenty-eight".