770632812 has 24 divisors (see below), whose sum is σ = 1997937200. Its totient is φ = 256877568.

The previous prime is 770632801. The next prime is 770632823. The reversal of 770632812 is 218236077.

770632812 is a `hidden beast` number, since 7 + 7 + 0 + 632 + 8 + 12 = 666.

It is an interprime number because it is at equal distance from previous prime (770632801) and next prime (770632823).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3567637 + ... + 3567852.

Almost surely, 2^770632812 is an apocalyptic number.

It is an amenable number.

770632812 is an abundant number, since it is smaller than the sum of its proper divisors (1227304388).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

770632812 is a wasteful number, since it uses less digits than its factorization.

770632812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7135502 (or 7135494 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 36.

The square root of 770632812 is about 27760.2739900023. The cubic root of 770632812 is about 916.8166648790.

Adding to 770632812 its reverse (218236077), we get a palindrome (988868889).

The spelling of 770632812 in words is "seven hundred seventy million, six hundred thirty-two thousand, eight hundred twelve".