2520077697 has 16 divisors (see below), whose sum is σ = 3744160000. Its totient is φ = 1675231632.

The previous prime is 2520077657. The next prime is 2520077713. The reversal of 2520077697 is 7967700252.

It is not a de Polignac number, because 2520077697 - 2¹⁹ = 2519553409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2520077617) 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, 124297 + ... + 143142.

It is an arithmetic number, because the mean of its divisors is an integer number (234010000).

Almost surely, 2^2520077697 is an apocalyptic number.

2520077697 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

It is an amenable number.

2520077697 is a deficient number, since it is larger than the sum of its proper divisors (1224082303).

2520077697 is a wasteful number, since it uses less digits than its factorization.

2520077697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267797 (or 267791 counting only the distinct ones).

The product of its (nonzero) digits is 370440, while the sum is 45.

The square root of 2520077697 is about 50200.3754667234. The cubic root of 2520077697 is about 1360.8324086963.

The spelling of 2520077697 in words is "two billion, five hundred twenty million, seventy-seven thousand, six hundred ninety-seven".