770513065 has 32 divisors (see below), whose sum is σ = 1095450624. Its totient is φ = 509319360.

The previous prime is 770513047. The next prime is 770513089. The reversal of 770513065 is 560315077.

It is not a de Polignac number, because 770513065 - 2¹⁵ = 770480297 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 770513065.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 106720 + ... + 113710.

It is an arithmetic number, because the mean of its divisors is an integer number (34232832).

Almost surely, 2^770513065 is an apocalyptic number.

It is an amenable number.

770513065 is a deficient number, since it is larger than the sum of its proper divisors (324937559).

770513065 is a wasteful number, since it uses less digits than its factorization.

770513065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7117.

The product of its (nonzero) digits is 22050, while the sum is 34.

The square root of 770513065 is about 27758.1171011292. The cubic root of 770513065 is about 916.7691750194.

The spelling of 770513065 in words is "seven hundred seventy million, five hundred thirteen thousand, sixty-five".