3450900778 has 8 divisors (see below), whose sum is σ = 5574532068. Its totient is φ = 1592723424.

The previous prime is 3450900767. The next prime is 3450900781. The reversal of 3450900778 is 8770090543.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 3432436569 + 18464209 = 58587^2 + 4297^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66363451 + ... + 66363502.

Almost surely, 2^3450900778 is an apocalyptic number.

3450900778 is a deficient number, since it is larger than the sum of its proper divisors (2123631290).

3450900778 is a wasteful number, since it uses less digits than its factorization.

3450900778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132726968.

The product of its (nonzero) digits is 211680, while the sum is 43.

The square root of 3450900778 is about 58744.3680534568. The cubic root of 3450900778 is about 1511.1613039128.

The spelling of 3450900778 in words is "three billion, four hundred fifty million, nine hundred thousand, seven hundred seventy-eight".