35399474978 has 16 divisors (see below), whose sum is σ = 63878752320. Its totient is φ = 14372719056.

The previous prime is 35399474947. The next prime is 35399475011. The reversal of 35399474978 is 87947499353.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66540101 + ... + 66540632.

It is an arithmetic number, because the mean of its divisors is an integer number (3992422020).

Almost surely, 2^35399474978 is an apocalyptic number.

35399474978 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

35399474978 is a deficient number, since it is larger than the sum of its proper divisors (28479277342).

35399474978 is a wasteful number, since it uses less digits than its factorization.

35399474978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133080761.

The product of its digits is 205752960, while the sum is 68.

The spelling of 35399474978 in words is "thirty-five billion, three hundred ninety-nine million, four hundred seventy-four thousand, nine hundred seventy-eight".