9877495617402 has 64 divisors (see below), whose sum is σ = 22852006087680. Its totient is φ = 2787790961664.

The previous prime is 9877495617397. The next prime is 9877495617419. The reversal of 9877495617402 is 2047165947789.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28338778 + ... + 28685210.

It is an arithmetic number, because the mean of its divisors is an integer number (357062595120).

Almost surely, 2^{9877495617402} is an apocalyptic number.

9877495617402 is an abundant number, since it is smaller than the sum of its proper divisors (12974510470278).

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

9877495617402 is a wasteful number, since it uses less digits than its factorization.

9877495617402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 354707.

The product of its (nonzero) digits is 213373440, while the sum is 69.

The spelling of 9877495617402 in words is "nine trillion, eight hundred seventy-seven billion, four hundred ninety-five million, six hundred seventeen thousand, four hundred two".