761615729652 has 12 divisors (see below), whose sum is σ = 1777103369216. Its totient is φ = 253871909880.

The previous prime is 761615729591. The next prime is 761615729653. The reversal of 761615729652 is 256927516167.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×761615729652² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 761615729592 and 761615729601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (761615729653) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31733988724 + ... + 31733988747.

Almost surely, 2^761615729652 is an apocalyptic number.

It is an amenable number.

761615729652 is an abundant number, since it is smaller than the sum of its proper divisors (1015487639564).

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

761615729652 is a wasteful number, since it uses less digits than its factorization.

761615729652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63467977478 (or 63467977476 counting only the distinct ones).

The product of its digits is 9525600, while the sum is 57.

The spelling of 761615729652 in words is "seven hundred sixty-one billion, six hundred fifteen million, seven hundred twenty-nine thousand, six hundred fifty-two".