15477994097 has 24 divisors (see below), whose sum is σ = 16826301600. Its totient is φ = 14230204416.

The previous prime is 15477994067. The next prime is 15477994121. The reversal of 15477994097 is 79049977451.

It is not a de Polignac number, because 15477994097 - 2⁸ = 15477993841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15477994067) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 2776529 + ... + 2782097.

It is an arithmetic number, because the mean of its divisors is an integer number (701095900).

Almost surely, 2^15477994097 is an apocalyptic number.

15477994097 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

15477994097 is a deficient number, since it is larger than the sum of its proper divisors (1348307503).

15477994097 is a wasteful number, since it uses less digits than its factorization.

15477994097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5825 (or 5808 counting only the distinct ones).

The product of its (nonzero) digits is 20003760, while the sum is 62.

The spelling of 15477994097 in words is "fifteen billion, four hundred seventy-seven million, nine hundred ninety-four thousand, ninety-seven".