5918421077 has 4 divisors (see below), whose sum is σ = 5918953740. Its totient is φ = 5917888416.

The previous prime is 5918421071. The next prime is 5918421101. The reversal of 5918421077 is 7701248195.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7701248195 = 5 ⋅1540249639.

It can be written as a sum of positive squares in 2 ways, for example, as 4473736996 + 1444684081 = 66886^2 + 38009^2 .

It is a cyclic number.

It is not a de Polignac number, because 5918421077 - 2⁸ = 5918420821 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5918421071) 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, 249302 + ... + 272007.

It is an arithmetic number, because the mean of its divisors is an integer number (1479738435).

Almost surely, 2^5918421077 is an apocalyptic number.

It is an amenable number.

5918421077 is a deficient number, since it is larger than the sum of its proper divisors (532663).

5918421077 is a wasteful number, since it uses less digits than its factorization.

5918421077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 532662.

The product of its (nonzero) digits is 141120, while the sum is 44.

The square root of 5918421077 is about 76931.2750251808. The cubic root of 5918421077 is about 1808.8474981509.

The spelling of 5918421077 in words is "five billion, nine hundred eighteen million, four hundred twenty-one thousand, seventy-seven".