98644390742 has 16 divisors (see below), whose sum is σ = 154409068800. Its totient is φ = 47174955432.

The previous prime is 98644390739. The next prime is 98644390753. The reversal of 98644390742 is 24709344689.

98644390742 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 867509 + ... + 974607.

It is an arithmetic number, because the mean of its divisors is an integer number (9650566800).

Almost surely, 2^98644390742 is an apocalyptic number.

98644390742 is a deficient number, since it is larger than the sum of its proper divisors (55764678058).

98644390742 is a wasteful number, since it uses less digits than its factorization.

98644390742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127147.

The product of its (nonzero) digits is 10450944, while the sum is 56.

The spelling of 98644390742 in words is "ninety-eight billion, six hundred forty-four million, three hundred ninety thousand, seven hundred forty-two".