77975293150 has 48 divisors (see below), whose sum is σ = 153908229600. Its totient is φ = 29289881600.

The previous prime is 77975293091. The next prime is 77975293157. The reversal of 77975293150 is 5139257977.

It is a junction number, because it is equal to n+sod(n) for n = 77975293091 and 77975293100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77975293157) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 279495 + ... + 483805.

It is an arithmetic number, because the mean of its divisors is an integer number (3206421450).

Almost surely, 2^77975293150 is an apocalyptic number.

77975293150 is a deficient number, since it is larger than the sum of its proper divisors (75932936450).

77975293150 is a wasteful number, since it uses less digits than its factorization.

77975293150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204789 (or 204784 counting only the distinct ones).

The product of its (nonzero) digits is 4167450, while the sum is 55.

The spelling of 77975293150 in words is "seventy-seven billion, nine hundred seventy-five million, two hundred ninety-three thousand, one hundred fifty".