977909790193 has 16 divisors (see below), whose sum is σ = 1177207321600. Its totient is φ = 811169402400.

The previous prime is 977909790127. The next prime is 977909790199. The reversal of 977909790193 is 391097909779.

It is not a de Polignac number, because 977909790193 - 2¹⁷ = 977909659121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (977909790199) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45974028 + ... + 45995293.

It is an arithmetic number, because the mean of its divisors is an integer number (73575457600).

Almost surely, 2^977909790193 is an apocalyptic number.

It is an amenable number.

977909790193 is a deficient number, since it is larger than the sum of its proper divisors (199297531407).

977909790193 is an equidigital number, since it uses as much as digits as its factorization.

977909790193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91969373 (or 91969359 counting only the distinct ones).

The product of its (nonzero) digits is 60761421, while the sum is 70.

The spelling of 977909790193 in words is "nine hundred seventy-seven billion, nine hundred nine million, seven hundred ninety thousand, one hundred ninety-three".