761478831 has 6 divisors (see below), whose sum is σ = 1099913880. Its totient is φ = 507652548.

The previous prime is 761478829. The next prime is 761478847. The reversal of 761478831 is 138874167.

It is not a de Polignac number, because 761478831 - 2¹ = 761478829 is a prime.

It is a super-2 number, since 2×761478831² = 1159700020122253122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (761478821) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 42304371 + ... + 42304388.

It is an arithmetic number, because the mean of its divisors is an integer number (183318980).

Almost surely, 2^761478831 is an apocalyptic number.

761478831 is a deficient number, since it is larger than the sum of its proper divisors (338435049).

761478831 is a wasteful number, since it uses less digits than its factorization.

761478831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84608765 (or 84608762 counting only the distinct ones).

The product of its digits is 225792, while the sum is 45.

The square root of 761478831 is about 27594.9058885875. The cubic root of 761478831 is about 913.1720525095.

The spelling of 761478831 in words is "seven hundred sixty-one million, four hundred seventy-eight thousand, eight hundred thirty-one".