770000007 has 32 divisors (see below), whose sum is σ = 1208305152. Its totient is φ = 426950784.

The previous prime is 769999963. The next prime is 770000009. The reversal of 770000007 is 700000077.

770000007 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 770000007 - 2¹¹ = 769997959 is a prime.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (770000009) 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, 343093 + ... + 345329.

It is an arithmetic number, because the mean of its divisors is an integer number (37759536).

Almost surely, 2^770000007 is an apocalyptic number.

770000007 is a deficient number, since it is larger than the sum of its proper divisors (438305145).

770000007 is a wasteful number, since it uses less digits than its factorization.

770000007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2727.

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

The square root of 770000007 is about 27748.8739771545. The cubic root of 770000007 is about 916.5656482105.

The spelling of 770000007 in words is "seven hundred seventy million, seven", and thus it is an aban number.