787140080378 has 4 divisors (see below), whose sum is σ = 1180710120570. Its totient is φ = 393570040188.

The previous prime is 787140080359. The next prime is 787140080381. The reversal of 787140080378 is 873080041787.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 873080041787 = 71 ⋅12296901997.

It can be written as a sum of positive squares in only one way, i.e., 754940290129 + 32199790249 = 868873^2 + 179443^2 .

It is a super-2 number, since 2×787140080378² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 196785020093 + ... + 196785020096.

Almost surely, 2^787140080378 is an apocalyptic number.

787140080378 is a deficient number, since it is larger than the sum of its proper divisors (393570040192).

787140080378 is a wasteful number, since it uses less digits than its factorization.

787140080378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 393570040191.

The product of its (nonzero) digits is 2107392, while the sum is 53.

The spelling of 787140080378 in words is "seven hundred eighty-seven billion, one hundred forty million, eighty thousand, three hundred seventy-eight".