7122877876 has 6 divisors (see below), whose sum is σ = 12465036290. Its totient is φ = 3561438936.

The previous prime is 7122877847. The next prime is 7122877877. The reversal of 7122877876 is 6787782217.

It can be written as a sum of positive squares in only one way, i.e., 3882536100 + 3240341776 = 62310^2 + 56924^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7122877877) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 890359731 + ... + 890359738.

Almost surely, 2^7122877876 is an apocalyptic number.

It is an amenable number.

7122877876 is a deficient number, since it is larger than the sum of its proper divisors (5342158414).

7122877876 is a wasteful number, since it uses less digits than its factorization.

7122877876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1780719473 (or 1780719471 counting only the distinct ones).

The product of its digits is 3687936, while the sum is 55.

The square root of 7122877876 is about 84397.1437668361. The cubic root of 7122877876 is about 1924.0595058121.

The spelling of 7122877876 in words is "seven billion, one hundred twenty-two million, eight hundred seventy-seven thousand, eight hundred seventy-six".