770040814 has 4 divisors (see below), whose sum is σ = 1155061224. Its totient is φ = 385020406.

The previous prime is 770040769. The next prime is 770040829. The reversal of 770040814 is 418040077.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 192510202 + ... + 192510205.

It is an arithmetic number, because the mean of its divisors is an integer number (288765306).

Almost surely, 2^770040814 is an apocalyptic number.

770040814 is a deficient number, since it is larger than the sum of its proper divisors (385020410).

770040814 is a wasteful number, since it uses less digits than its factorization.

770040814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385020409.

The product of its (nonzero) digits is 6272, while the sum is 31.

The square root of 770040814 is about 27749.6092585103. The cubic root of 770040814 is about 916.5818393938.

The spelling of 770040814 in words is "seven hundred seventy million, forty thousand, eight hundred fourteen".