7764807061 has 16 divisors (see below), whose sum is σ = 8857133568. Its totient is φ = 6738146800.

The previous prime is 7764807053. The next prime is 7764807097. The reversal of 7764807061 is 1607084677.

It is not a de Polignac number, because 7764807061 - 2³ = 7764807053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7764807031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 92970 + ... + 155476.

It is an arithmetic number, because the mean of its divisors is an integer number (553570848).

Almost surely, 2^7764807061 is an apocalyptic number.

It is an amenable number.

7764807061 is a deficient number, since it is larger than the sum of its proper divisors (1092326507).

7764807061 is a wasteful number, since it uses less digits than its factorization.

7764807061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63032.

The product of its (nonzero) digits is 395136, while the sum is 46.

The square root of 7764807061 is about 88118.1426324908. The cubic root of 7764807061 is about 1980.2053200849.

The spelling of 7764807061 in words is "seven billion, seven hundred sixty-four million, eight hundred seven thousand, sixty-one".