2572678977 has 16 divisors (see below), whose sum is σ = 3752817600. Its totient is φ = 1554724800.

The previous prime is 2572678973. The next prime is 2572678981. The reversal of 2572678977 is 7798762752.

It is an interprime number because it is at equal distance from previous prime (2572678973) and next prime (2572678981).

It is not a de Polignac number, because 2572678977 - 2² = 2572678973 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2572678977.

It is not an unprimeable number, because it can be changed into a prime (2572678973) 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, 100174 + ... + 123207.

It is an arithmetic number, because the mean of its divisors is an integer number (234551100).

Almost surely, 2^2572678977 is an apocalyptic number.

It is an amenable number.

2572678977 is a deficient number, since it is larger than the sum of its proper divisors (1180138623).

2572678977 is a wasteful number, since it uses less digits than its factorization.

2572678977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223744.

The product of its digits is 20744640, while the sum is 60.

The square root of 2572678977 is about 50721.5829504561. The cubic root of 2572678977 is about 1370.2354501468.

The spelling of 2572678977 in words is "two billion, five hundred seventy-two million, six hundred seventy-eight thousand, nine hundred seventy-seven".