700000077 has 32 divisors (see below), whose sum is σ = 1102415872. Its totient is φ = 386731584.

The previous prime is 700000069. The next prime is 700000159. The reversal of 700000077 is 770000007.

It is not a de Polignac number, because 700000077 - 2³ = 700000069 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

700000077 is a modest number, since divided by 77 gives 7 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 699999999 and 700000062.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (700000877) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 123888 + ... + 129414.

It is an arithmetic number, because the mean of its divisors is an integer number (34450496).

Almost surely, 2^700000077 is an apocalyptic number.

It is an amenable number.

700000077 is a deficient number, since it is larger than the sum of its proper divisors (402415795).

700000077 is a wasteful number, since it uses less digits than its factorization.

700000077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5737.

The product of its (nonzero) digits is 343, while the sum is 21.

The square root of 700000077 is about 26457.5145658091. The cubic root of 700000077 is about 887.9040342991.

The spelling of 700000077 in words is "seven hundred million, seventy-seven", and thus it is an aban number.