7880490761 has 32 divisors (see below), whose sum is σ = 9568056960. Its totient is φ = 6394752000.

The previous prime is 7880490703. The next prime is 7880490773. The reversal of 7880490761 is 1670940887.

It is not a de Polignac number, because 7880490761 - 2¹⁸ = 7880228617 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7880490461) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 614705 + ... + 627393.

It is an arithmetic number, because the mean of its divisors is an integer number (299001780).

Almost surely, 2^7880490761 is an apocalyptic number.

It is an amenable number.

7880490761 is a deficient number, since it is larger than the sum of its proper divisors (1687566199).

7880490761 is a wasteful number, since it uses less digits than its factorization.

7880490761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12857.

The product of its (nonzero) digits is 677376, while the sum is 50.

The square root of 7880490761 is about 88772.1282892328. The cubic root of 7880490761 is about 1989.9908891614.

The spelling of 7880490761 in words is "seven billion, eight hundred eighty million, four hundred ninety thousand, seven hundred sixty-one".