761121477 has 12 divisors (see below), whose sum is σ = 1101121164. Its totient is φ = 506618880.

The previous prime is 761121463. The next prime is 761121479. The reversal of 761121477 is 774121167.

761121477 is a `hidden beast` number, since 7 + 61 + 121 + 477 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 564252516 + 196868961 = 23754^2 + 14031^2 .

It is not a de Polignac number, because 761121477 - 2¹⁰ = 761120453 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (761121479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 60198 + ... + 71735.

It is an arithmetic number, because the mean of its divisors is an integer number (91760097).

Almost surely, 2^761121477 is an apocalyptic number.

It is an amenable number.

761121477 is a deficient number, since it is larger than the sum of its proper divisors (339999687).

761121477 is a wasteful number, since it uses less digits than its factorization.

761121477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132580 (or 132577 counting only the distinct ones).

The product of its digits is 16464, while the sum is 36.

The square root of 761121477 is about 27588.4301293133. The cubic root of 761121477 is about 913.0291828140.

The spelling of 761121477 in words is "seven hundred sixty-one million, one hundred twenty-one thousand, four hundred seventy-seven".