37709968356 has 18 divisors (see below), whose sum is σ = 95322420102. Its totient is φ = 12569989440.

The previous prime is 37709968349. The next prime is 37709968367. The reversal of 37709968356 is 65386990773.

37709968356 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 25962876900 + 11747091456 = 161130^2 + 108384^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a junction number, because it is equal to n+sod(n) for n = 37709968293 and 37709968302.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 523749525 + ... + 523749596.

Almost surely, 2^37709968356 is an apocalyptic number.

37709968356 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

37709968356 is an abundant number, since it is smaller than the sum of its proper divisors (57612451746).

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

37709968356 is a wasteful number, since it uses less digits than its factorization.

37709968356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1047499131 (or 1047499126 counting only the distinct ones).

The product of its (nonzero) digits is 51438240, while the sum is 63.

The spelling of 37709968356 in words is "thirty-seven billion, seven hundred nine million, nine hundred sixty-eight thousand, three hundred fifty-six".