7077133981 has 4 divisors (see below), whose sum is σ = 7077940992. Its totient is φ = 7076326972.

The previous prime is 7077133979. The next prime is 7077134011. The reversal of 7077133981 is 1893317707.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1893317707 = 73 ⋅25935859.

It is a cyclic number.

It is not a de Polignac number, because 7077133981 - 2¹ = 7077133979 is a prime.

It is a super-2 number, since 2×7077133981² (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 (7077133961) 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, 390205 + ... + 407938.

It is an arithmetic number, because the mean of its divisors is an integer number (1769485248).

Almost surely, 2^7077133981 is an apocalyptic number.

It is an amenable number.

7077133981 is a deficient number, since it is larger than the sum of its proper divisors (807011).

7077133981 is an equidigital number, since it uses as much as digits as its factorization.

7077133981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 807010.

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

The square root of 7077133981 is about 84125.7034502535. The cubic root of 7077133981 is about 1919.9318173306.

The spelling of 7077133981 in words is "seven billion, seventy-seven million, one hundred thirty-three thousand, nine hundred eighty-one".