98944661057 has 4 divisors (see below), whose sum is σ = 107939630256. Its totient is φ = 89949691860.

The previous prime is 98944661033. The next prime is 98944661059. The reversal of 98944661057 is 75016644989.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 98944661057 - 2⁶ = 98944660993 is a prime.

It is a super-2 number, since 2×98944661057² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 98944660987 and 98944661005.

It is not an unprimeable number, because it can be changed into a prime (98944661059) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4497484583 + ... + 4497484604.

It is an arithmetic number, because the mean of its divisors is an integer number (26984907564).

Almost surely, 2^98944661057 is an apocalyptic number.

It is an amenable number.

98944661057 is a deficient number, since it is larger than the sum of its proper divisors (8994969199).

98944661057 is a wasteful number, since it uses less digits than its factorization.

98944661057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8994969198.

The product of its (nonzero) digits is 13063680, while the sum is 59.

The spelling of 98944661057 in words is "ninety-eight billion, nine hundred forty-four million, six hundred sixty-one thousand, fifty-seven".