2896091978397 has 16 divisors (see below), whose sum is σ = 4127622081408. Its totient is φ = 1801739793920.

The previous prime is 2896091978393. The next prime is 2896091978413. The reversal of 2896091978397 is 7938791906982.

It is a cyclic number.

It is not a de Polignac number, because 2896091978397 - 2² = 2896091978393 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2896091978393) 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, 511855068 + ... + 511860725.

It is an arithmetic number, because the mean of its divisors is an integer number (257976380088).

Almost surely, 2^{2896091978397} is an apocalyptic number.

It is an amenable number.

2896091978397 is a deficient number, since it is larger than the sum of its proper divisors (1231530103011).

2896091978397 is a wasteful number, since it uses less digits than its factorization.

2896091978397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1023715860.

The product of its (nonzero) digits is 740710656, while the sum is 78.

The spelling of 2896091978397 in words is "two trillion, eight hundred ninety-six billion, ninety-one million, nine hundred seventy-eight thousand, three hundred ninety-seven".