25870150779 has 12 divisors (see below), whose sum is σ = 37914381288. Its totient is φ = 15678879040.

The previous prime is 25870150769. The next prime is 25870150811. The reversal of 25870150779 is 97705107852.

It is not a de Polignac number, because 25870150779 - 2¹⁵ = 25870118011 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25870150769) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 35633454 + ... + 35634179.

It is an arithmetic number, because the mean of its divisors is an integer number (3159531774).

Almost surely, 2^25870150779 is an apocalyptic number.

25870150779 is a deficient number, since it is larger than the sum of its proper divisors (12044230509).

25870150779 is a wasteful number, since it uses less digits than its factorization.

25870150779 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71267658 (or 71267647 counting only the distinct ones).

The product of its (nonzero) digits is 1234800, while the sum is 51.

The spelling of 25870150779 in words is "twenty-five billion, eight hundred seventy million, one hundred fifty thousand, seven hundred seventy-nine".