977678896293 has 24 divisors (see below), whose sum is σ = 1540902613536. Its totient is φ = 592410477600.

The previous prime is 977678896291. The next prime is 977678896301. The reversal of 977678896293 is 392698876779.

It is not a de Polignac number, because 977678896293 - 2¹ = 977678896291 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (977678896291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 534555 + ... + 1497032.

It is an arithmetic number, because the mean of its divisors is an integer number (64204275564).

Almost surely, 2^977678896293 is an apocalyptic number.

It is an amenable number.

977678896293 is a deficient number, since it is larger than the sum of its proper divisors (563223717243).

977678896293 is a wasteful number, since it uses less digits than its factorization.

977678896293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2036465 (or 2036462 counting only the distinct ones).

The product of its digits is 3456649728, while the sum is 81.

The spelling of 977678896293 in words is "nine hundred seventy-seven billion, six hundred seventy-eight million, eight hundred ninety-six thousand, two hundred ninety-three".