761291622405 has 48 divisors (see below), whose sum is σ = 1400269590720. Its totient is φ = 396579794688.

The previous prime is 761291622389. The next prime is 761291622409. The reversal of 761291622405 is 504226192167.

761291622405 is a `hidden beast` number, since 7 + 6 + 12 + 9 + 1 + 622 + 4 + 0 + 5 = 666.

It is not a de Polignac number, because 761291622405 - 2⁴ = 761291622389 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (761291622409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7233540 + ... + 7338029.

It is an arithmetic number, because the mean of its divisors is an integer number (29172283140).

Almost surely, 2^761291622405 is an apocalyptic number.

It is an amenable number.

761291622405 is a deficient number, since it is larger than the sum of its proper divisors (638977968315).

761291622405 is a wasteful number, since it uses less digits than its factorization.

761291622405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14571632 (or 14571620 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The spelling of 761291622405 in words is "seven hundred sixty-one billion, two hundred ninety-one million, six hundred twenty-two thousand, four hundred five".