978881060049 has 4 divisors (see below), whose sum is σ = 1305174746736. Its totient is φ = 652587373364.

The previous prime is 978881060041. The next prime is 978881060057. The reversal of 978881060049 is 940060188879.

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 an interprime number because it is at equal distance from previous prime (978881060041) and next prime (978881060057).

It is a cyclic number.

It is not a de Polignac number, because 978881060049 - 2³ = 978881060041 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 978881059974 and 978881060001.

It is not an unprimeable number, because it can be changed into a prime (978881060041) 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, 163146843339 + ... + 163146843344.

It is an arithmetic number, because the mean of its divisors is an integer number (326293686684).

Almost surely, 2^978881060049 is an apocalyptic number.

It is an amenable number.

978881060049 is a deficient number, since it is larger than the sum of its proper divisors (326293686687).

978881060049 is a wasteful number, since it uses less digits than its factorization.

978881060049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326293686686.

The product of its (nonzero) digits is 6967296, while the sum is 60.

The spelling of 978881060049 in words is "nine hundred seventy-eight billion, eight hundred eighty-one million, sixty thousand, forty-nine".