7077313981 has 8 divisors (see below), whose sum is σ = 7352152064. Its totient is φ = 6805384560.

The previous prime is 7077313967. The next prime is 7077314017. The reversal of 7077313981 is 1893137707.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7077313981 - 2⁵ = 7077313949 is a prime.

It is a super-2 number, since 2×7077313981² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7077313931) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 722205 + ... + 731938.

It is an arithmetic number, because the mean of its divisors is an integer number (919019008).

Almost surely, 2^7077313981 is an apocalyptic number.

It is an amenable number.

7077313981 is a deficient number, since it is larger than the sum of its proper divisors (274838083).

7077313981 is a wasteful number, since it uses less digits than its factorization.

7077313981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1454331.

The product of its (nonzero) digits is 222264, while the sum is 46.

The square root of 7077313981 is about 84126.7732710580. The cubic root of 7077313981 is about 1919.9480943903.

The spelling of 7077313981 in words is "seven billion, seventy-seven million, three hundred thirteen thousand, nine hundred eighty-one".