89768487974 has 32 divisors (see below), whose sum is σ = 154637144064. Its totient is φ = 38684356480.

The previous prime is 89768487973. The next prime is 89768487983. The reversal of 89768487974 is 47978486798.

It is a junction number, because it is equal to n+sod(n) for n = 89768487895 and 89768487904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89768487973) 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 15 ways as a sum of consecutive naturals, for example, 727814 + ... + 842169.

It is an arithmetic number, because the mean of its divisors is an integer number (4832410752).

Almost surely, 2^89768487974 is an apocalyptic number.

89768487974 is a deficient number, since it is larger than the sum of its proper divisors (64868656090).

89768487974 is a wasteful number, since it uses less digits than its factorization.

89768487974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1570132.

The product of its digits is 1365590016, while the sum is 77.

The spelling of 89768487974 in words is "eighty-nine billion, seven hundred sixty-eight million, four hundred eighty-seven thousand, nine hundred seventy-four".