761225909507 has 12 divisors (see below), whose sum is σ = 932113359720. Its totient is φ = 618138331776.

The previous prime is 761225909503. The next prime is 761225909519. The reversal of 761225909507 is 705909522167.

It is not a de Polignac number, because 761225909507 - 2² = 761225909503 is a prime.

It is not an unprimeable number, because it can be changed into a prime (761225909503) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 408820718 + ... + 408822579.

It is an arithmetic number, because the mean of its divisors is an integer number (77676113310).

Almost surely, 2^761225909507 is an apocalyptic number.

761225909507 is a deficient number, since it is larger than the sum of its proper divisors (170887450213).

761225909507 is a wasteful number, since it uses less digits than its factorization.

761225909507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 817643330 (or 817643323 counting only the distinct ones).

The product of its (nonzero) digits is 2381400, while the sum is 53.

The spelling of 761225909507 in words is "seven hundred sixty-one billion, two hundred twenty-five million, nine hundred nine thousand, five hundred seven".