700820977 has 4 divisors (see below), whose sum is σ = 708695460. Its totient is φ = 692946496.

The previous prime is 700820969. The next prime is 700820987. The reversal of 700820977 is 779028007.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 779028007 = 37 ⋅21054811.

It can be written as a sum of positive squares in 2 ways, for example, as 76020961 + 624800016 = 8719^2 + 24996^2 .

It is a cyclic number.

It is not a de Polignac number, because 700820977 - 2³ = 700820969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (700820927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3937108 + ... + 3937285.

It is an arithmetic number, because the mean of its divisors is an integer number (177173865).

Almost surely, 2^700820977 is an apocalyptic number.

It is an amenable number.

700820977 is a deficient number, since it is larger than the sum of its proper divisors (7874483).

700820977 is an equidigital number, since it uses as much as digits as its factorization.

700820977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7874482.

The product of its (nonzero) digits is 49392, while the sum is 40.

The square root of 700820977 is about 26473.0235711752. The cubic root of 700820977 is about 888.2509845868.

The spelling of 700820977 in words is "seven hundred million, eight hundred twenty thousand, nine hundred seventy-seven".