39754897794 has 16 divisors (see below), whose sum is σ = 88344217440. Its totient is φ = 13251632580.

The previous prime is 39754897769. The next prime is 39754897849. The reversal of 39754897794 is 49779845793.

39754897794 is a `hidden beast` number, since 3 + 9 + 7 + 548 + 9 + 7 + 79 + 4 = 666.

It is a super-2 number, since 2×39754897794² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 368100852 + ... + 368100959.

It is an arithmetic number, because the mean of its divisors is an integer number (5521513590).

Almost surely, 2^39754897794 is an apocalyptic number.

39754897794 is an abundant number, since it is smaller than the sum of its proper divisors (48589319646).

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

39754897794 is a wasteful number, since it uses less digits than its factorization.

39754897794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 736201822 (or 736201816 counting only the distinct ones).

The product of its digits is 480090240, while the sum is 72.

The spelling of 39754897794 in words is "thirty-nine billion, seven hundred fifty-four million, eight hundred ninety-seven thousand, seven hundred ninety-four".